mirror of https://github.com/sean-m/.emacs.d.git
Don't use dash.el during package init
Bozhidar Batsov
parent
cd2781fd78
commit
73b713a850
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@ -33,6 +33,7 @@
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;;; Code:
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(require 'thingatpt)
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(require 'dash)
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(defun prelude-open-with ()
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"Open visited file in external program."
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@ -32,6 +32,7 @@
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;; Boston, MA 02110-1301, USA.
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;;; Code:
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(require 'cl-lib)
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(require 'package)
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(add-to-list 'package-archives
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'("melpa" . "http://melpa.milkbox.net/packages/") t)
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@ -40,7 +41,7 @@
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(package-initialize)
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(defvar prelude-packages
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'(ace-jump-mode ack-and-a-half diminish elisp-slime-nav
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'(ace-jump-mode ack-and-a-half dash diminish elisp-slime-nav
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expand-region flycheck gist
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git-commit-mode gitconfig-mode gitignore-mode
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guru-mode helm helm-projectile
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@ -50,22 +51,25 @@
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"A list of packages to ensure are installed at launch.")
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(defun prelude-packages-installed-p ()
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(-all? #'package-installed-p prelude-packages))
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"Check if all packages in `prelude-packages' are installed."
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(cl-every #'package-installed-p prelude-packages))
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(defun prelude-install-packages ()
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"Install all packages listed in `prelude-packages'."
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(unless (prelude-packages-installed-p)
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;; check for new packages (package versions)
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(message "%s" "Emacs Prelude is now refreshing its package database...")
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(package-refresh-contents)
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(message "%s" " done.")
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;; install the missing packages
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(-each
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(-reject #'package-installed-p prelude-packages)
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#'package-install)))
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(mapc #'package-install
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(cl-remove-if #'package-installed-p prelude-packages))))
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(prelude-install-packages)
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(defmacro prelude-auto-install (extension package mode)
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"When file with EXTENSION is opened triggers auto-install of PACKAGE.
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PACKAGE is installed only if not already present. The file is opened in MODE."
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`(add-to-list 'auto-mode-alist
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`(,extension . (lambda ()
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(unless (package-installed-p ',package)
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@ -99,16 +103,20 @@
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(add-to-list 'auto-mode-alist '("\\.markdown\\'" . markdown-mode))
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(add-to-list 'auto-mode-alist '("\\.md\\'" . markdown-mode)))
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(-each prelude-auto-install-alist
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(lambda (entry)
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(let ((extension (car entry))
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(package (cadr entry))
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(mode (cadr (cdr entry))))
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(unless (package-installed-p package)
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(prelude-auto-install extension package mode)))))
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;; build auto-install mappings
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(mapc
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(lambda (entry)
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(let ((extension (car entry))
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(package (cadr entry))
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(mode (cadr (cdr entry))))
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(unless (package-installed-p package)
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(prelude-auto-install extension package mode))))
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prelude-auto-install-alist)
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(defun prelude-ensure-module-deps (packages)
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(-each (-remove #'package-installed-p packages) #'package-install))
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"Ensure PACKAGES are installed.
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Missing packages are installed automatically."
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(mapc #'package-install (cl-remove-if #'package-installed-p packages)))
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(provide 'prelude-packages)
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;;; prelude-packages.el ends here
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2
init.el
2
init.el
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@ -76,8 +76,6 @@ by Prelude.")
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(add-to-list 'load-path prelude-vendor-dir)
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(prelude-add-subfolders-to-load-path prelude-vendor-dir)
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(require 'dash)
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;; the core stuff
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(require 'prelude-packages)
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(require 'prelude-ui)
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@ -1,928 +0,0 @@
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;;; dash.el --- A modern list library for Emacs
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;; Copyright (C) 2012 Magnar Sveen
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;; Author: Magnar Sveen <magnars@gmail.com>
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;; Version: 20130424.943
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;; X-Original-Version: 1.2.0
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;; Keywords: lists
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; A modern list api for Emacs.
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;;
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;; See documentation on https://github.com/magnars/dash.el#functions
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;;; Code:
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(defmacro !cons (car cdr)
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"Destructive: Sets CDR to the cons of CAR and CDR."
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`(setq ,cdr (cons ,car ,cdr)))
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(defmacro !cdr (list)
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"Destructive: Sets LIST to the cdr of LIST."
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`(setq ,list (cdr ,list)))
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(defmacro --each (list &rest body)
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"Anaphoric form of `-each'."
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(let ((l (make-symbol "list")))
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`(let ((,l ,list)
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(it-index 0))
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(while ,l
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(let ((it (car ,l)))
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,@body)
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(setq it-index (1+ it-index))
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(!cdr ,l)))))
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(put '--each 'lisp-indent-function 1)
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(defun -each (list fn)
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"Calls FN with every item in LIST. Returns nil, used for side-effects only."
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(--each list (funcall fn it)))
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(defmacro --each-while (list pred &rest body)
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"Anaphoric form of `-each-while'."
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(let ((l (make-symbol "list"))
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(c (make-symbol "continue")))
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`(let ((,l ,list)
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(,c t))
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(while (and ,l ,c)
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(let ((it (car ,l)))
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(if (not ,pred) (setq ,c nil) ,@body))
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(!cdr ,l)))))
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(put '--each-while 'lisp-indent-function 2)
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(defun -each-while (list pred fn)
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"Calls FN with every item in LIST while (PRED item) is non-nil.
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Returns nil, used for side-effects only."
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(--each-while list (funcall pred it) (funcall fn it)))
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(defmacro --dotimes (num &rest body)
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"Repeatedly executes BODY (presumably for side-effects) with `it` bound to integers from 0 through n-1."
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`(let ((it 0))
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(while (< it ,num)
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,@body
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(setq it (1+ it)))))
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(put '--dotimes 'lisp-indent-function 1)
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(defun -dotimes (num fn)
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"Repeatedly calls FN (presumably for side-effects) passing in integers from 0 through n-1."
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(--dotimes num (funcall fn it)))
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(defun -map (fn list)
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"Returns a new list consisting of the result of applying FN to the items in LIST."
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(mapcar fn list))
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(defmacro --map (form list)
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"Anaphoric form of `-map'."
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`(mapcar (lambda (it) ,form) ,list))
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(defmacro --reduce-from (form initial-value list)
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"Anaphoric form of `-reduce-from'."
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`(let ((acc ,initial-value))
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(--each ,list (setq acc ,form))
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acc))
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(defun -reduce-from (fn initial-value list)
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"Returns the result of applying FN to INITIAL-VALUE and the
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first item in LIST, then applying FN to that result and the 2nd
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item, etc. If LIST contains no items, returns INITIAL-VALUE and
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FN is not called.
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In the anaphoric form `--reduce-from', the accumulated value is
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exposed as `acc`."
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(--reduce-from (funcall fn acc it) initial-value list))
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(defmacro --reduce (form list)
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"Anaphoric form of `-reduce'."
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(let ((lv (make-symbol "list-value")))
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`(let ((,lv ,list))
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(if ,lv
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(--reduce-from ,form (car ,lv) (cdr ,lv))
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(let (acc it) ,form)))))
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(defun -reduce (fn list)
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"Returns the result of applying FN to the first 2 items in LIST,
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then applying FN to that result and the 3rd item, etc. If LIST
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contains no items, FN must accept no arguments as well, and
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reduce returns the result of calling FN with no arguments. If
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LIST has only 1 item, it is returned and FN is not called.
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In the anaphoric form `--reduce', the accumulated value is
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exposed as `acc`."
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(if list
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(-reduce-from fn (car list) (cdr list))
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(funcall fn)))
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(defmacro --filter (form list)
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"Anaphoric form of `-filter'."
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(let ((r (make-symbol "result")))
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`(let (,r)
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(--each ,list (when ,form (!cons it ,r)))
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(nreverse ,r))))
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(defun -filter (pred list)
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"Returns a new list of the items in LIST for which PRED returns a non-nil value.
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Alias: `-select'"
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(--filter (funcall pred it) list))
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(defalias '-select '-filter)
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(defalias '--select '--filter)
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(defmacro --remove (form list)
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"Anaphoric form of `-remove'."
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`(--filter (not ,form) ,list))
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(defun -remove (pred list)
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"Returns a new list of the items in LIST for which PRED returns nil.
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Alias: `-reject'"
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(--remove (funcall pred it) list))
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(defalias '-reject '-remove)
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(defalias '--reject '--remove)
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(defmacro --keep (form list)
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"Anaphoric form of `-keep'."
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(let ((r (make-symbol "result"))
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(m (make-symbol "mapped")))
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`(let (,r)
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(--each ,list (let ((,m ,form)) (when ,m (!cons ,m ,r))))
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(nreverse ,r))))
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(defun -keep (fn list)
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"Returns a new list of the non-nil results of applying FN to the items in LIST."
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(--keep (funcall fn it) list))
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(defmacro --map-when (pred rep list)
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"Anaphoric form of `-map-when'."
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(let ((r (make-symbol "result")))
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`(let (,r)
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(--each ,list (!cons (if ,pred ,rep it) ,r))
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(nreverse ,r))))
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(defmacro --map-indexed (form list)
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"Anaphoric form of `-map-indexed'."
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(let ((r (make-symbol "result")))
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`(let (,r)
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(--each ,list
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(!cons ,form ,r))
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(nreverse ,r))))
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(defun -map-indexed (fn list)
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"Returns a new list consisting of the result of (FN index item) for each item in LIST.
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In the anaphoric form `--map-indexed', the index is exposed as `it-index`."
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(--map-indexed (funcall fn it-index it) list))
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(defun -map-when (pred rep list)
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"Returns a new list where the elements in LIST that does not match the PRED function
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are unchanged, and where the elements in LIST that do match the PRED function are mapped
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through the REP function."
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(--map-when (funcall pred it) (funcall rep it) list))
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(defalias '--replace-where '--map-when)
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(defalias '-replace-where '-map-when)
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(defun -flatten (l)
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"Takes a nested list L and returns its contents as a single, flat list."
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(if (and (listp l) (listp (cdr l)))
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(-mapcat '-flatten l)
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(list l)))
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(defun -concat (&rest lists)
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"Returns a new list with the concatenation of the elements in the supplied LISTS."
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(apply 'append lists))
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(defmacro --mapcat (form list)
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"Anaphoric form of `-mapcat'."
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`(apply 'append (--map ,form ,list)))
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(defun -mapcat (fn list)
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"Returns the concatenation of the result of mapping FN over LIST.
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Thus function FN should return a list."
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(--mapcat (funcall fn it) list))
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(defun -cons* (&rest args)
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"Makes a new list from the elements of ARGS.
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The last 2 members of ARGS are used as the final cons of the
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result so if the final member of ARGS is not a list the result is
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a dotted list."
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(let (res)
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(--each
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args
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(cond
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((not res)
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(setq res it))
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((consp res)
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(setcdr res (cons (cdr res) it)))
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(t
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(setq res (cons res it)))))
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res))
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(defmacro --first (form list)
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"Anaphoric form of `-first'."
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(let ((n (make-symbol "needle")))
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`(let (,n)
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(--each-while ,list (not ,n)
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(when ,form (setq ,n it)))
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,n)))
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(defun -first (pred list)
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"Returns the first x in LIST where (PRED x) is non-nil, else nil.
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To get the first item in the list no questions asked, use `car'."
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(--first (funcall pred it) list))
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(defmacro --last (form list)
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"Anaphoric form of `-last'."
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(let ((n (make-symbol "needle")))
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`(let (,n)
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(--each ,list
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(when ,form (setq ,n it)))
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,n)))
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(defun -last (pred list)
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"Return the last x in LIST where (PRED x) is non-nil, else nil."
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(--last (funcall pred it) list))
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(defmacro --count (pred list)
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"Anaphoric form of `-count'."
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(let ((r (make-symbol "result")))
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`(let ((,r 0))
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(--each ,list (when ,pred (setq ,r (1+ ,r))))
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,r)))
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(defun -count (pred list)
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"Counts the number of items in LIST where (PRED item) is non-nil."
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(--count (funcall pred it) list))
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(defun ---truthy? (val)
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(not (null val)))
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(defmacro --any? (form list)
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"Anaphoric form of `-any?'."
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`(---truthy? (--first ,form ,list)))
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(defun -any? (pred list)
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"Returns t if (PRED x) is non-nil for any x in LIST, else nil.
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Alias: `-some?'"
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(--any? (funcall pred it) list))
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(defalias '-some? '-any?)
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(defalias '--some? '--any?)
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(defalias '-any-p '-any?)
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(defalias '--any-p '--any?)
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(defalias '-some-p '-any?)
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(defalias '--some-p '--any?)
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(defmacro --all? (form list)
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"Anaphoric form of `-all?'."
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(let ((a (make-symbol "all")))
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`(let ((,a t))
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(--each-while ,list ,a (setq ,a ,form))
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(---truthy? ,a))))
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(defun -all? (pred list)
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"Returns t if (PRED x) is non-nil for all x in LIST, else nil.
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Alias: `-every?'"
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(--all? (funcall pred it) list))
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(defalias '-every? '-all?)
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(defalias '--every? '--all?)
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(defalias '-all-p '-all?)
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(defalias '--all-p '--all?)
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(defalias '-every-p '-all?)
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(defalias '--every-p '--all?)
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(defmacro --none? (form list)
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"Anaphoric form of `-none?'."
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`(--all? (not ,form) ,list))
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(defun -none? (pred list)
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"Returns t if (PRED x) is nil for all x in LIST, else nil."
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(--none? (funcall pred it) list))
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(defalias '-none-p '-none?)
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(defalias '--none-p '--none?)
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(defmacro --only-some? (form list)
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"Anaphoric form of `-only-some?'."
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(let ((y (make-symbol "yes"))
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(n (make-symbol "no")))
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`(let (,y ,n)
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(--each-while ,list (not (and ,y ,n))
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(if ,form (setq ,y t) (setq ,n t)))
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(---truthy? (and ,y ,n)))))
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(defun -only-some? (pred list)
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"Returns `t` if there is a mix of items in LIST that matches and does not match PRED.
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Returns `nil` both if all items match the predicate, and if none of the items match the predicate."
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(--only-some? (funcall pred it) list))
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(defalias '-only-some-p '-only-some?)
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(defalias '--only-some-p '--only-some?)
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(defun -slice (list from &optional to)
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"Return copy of LIST, starting from index FROM to index TO.
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FROM or TO may be negative."
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(let ((length (length list))
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(new-list nil)
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(index 0))
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;; to defaults to the end of the list
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(setq to (or to length))
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;; handle negative indices
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(when (< from 0)
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(setq from (mod from length)))
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(when (< to 0)
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(setq to (mod to length)))
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|
||||
;; iterate through the list, keeping the elements we want
|
||||
(while (< index to)
|
||||
(when (>= index from)
|
||||
(!cons (car list) new-list))
|
||||
(!cdr list)
|
||||
(setq index (1+ index)))
|
||||
(nreverse new-list)))
|
||||
|
||||
(defun -take (n list)
|
||||
"Returns a new list of the first N items in LIST, or all items if there are fewer than N."
|
||||
(let (result)
|
||||
(--dotimes n
|
||||
(when list
|
||||
(!cons (car list) result)
|
||||
(!cdr list)))
|
||||
(nreverse result)))
|
||||
|
||||
(defun -drop (n list)
|
||||
"Returns the tail of LIST without the first N items."
|
||||
(--dotimes n (!cdr list))
|
||||
list)
|
||||
|
||||
(defmacro --take-while (form list)
|
||||
"Anaphoric form of `-take-while'."
|
||||
(let ((r (make-symbol "result")))
|
||||
`(let (,r)
|
||||
(--each-while ,list ,form (!cons it ,r))
|
||||
(nreverse ,r))))
|
||||
|
||||
(defun -take-while (pred list)
|
||||
"Returns a new list of successive items from LIST while (PRED item) returns a non-nil value."
|
||||
(--take-while (funcall pred it) list))
|
||||
|
||||
(defmacro --drop-while (form list)
|
||||
"Anaphoric form of `-drop-while'."
|
||||
(let ((l (make-symbol "list")))
|
||||
`(let ((,l ,list))
|
||||
(while (and ,l (let ((it (car ,l))) ,form))
|
||||
(!cdr ,l))
|
||||
,l)))
|
||||
|
||||
(defun -drop-while (pred list)
|
||||
"Returns the tail of LIST starting from the first item for which (PRED item) returns nil."
|
||||
(--drop-while (funcall pred it) list))
|
||||
|
||||
(defun -split-at (n list)
|
||||
"Returns a list of ((-take N LIST) (-drop N LIST)), in no more than one pass through the list."
|
||||
(let (result)
|
||||
(--dotimes n
|
||||
(when list
|
||||
(!cons (car list) result)
|
||||
(!cdr list)))
|
||||
(list (nreverse result) list)))
|
||||
|
||||
(defun -insert-at (n x list)
|
||||
"Returns a list with X inserted into LIST at position N."
|
||||
(let ((split-list (-split-at n list)))
|
||||
(nconc (car split-list) (cons x (cadr split-list)))))
|
||||
|
||||
(defmacro --split-with (pred list)
|
||||
"Anaphoric form of `-split-with'."
|
||||
(let ((l (make-symbol "list"))
|
||||
(r (make-symbol "result"))
|
||||
(c (make-symbol "continue")))
|
||||
`(let ((,l ,list)
|
||||
(,r nil)
|
||||
(,c t))
|
||||
(while (and ,l ,c)
|
||||
(let ((it (car ,l)))
|
||||
(if (not ,pred)
|
||||
(setq ,c nil)
|
||||
(!cons it ,r)
|
||||
(!cdr ,l))))
|
||||
(list (nreverse ,r) ,l))))
|
||||
|
||||
(defun -split-with (pred list)
|
||||
"Returns a list of ((-take-while PRED LIST) (-drop-while PRED LIST)), in no more than one pass through the list."
|
||||
(--split-with (funcall pred it) list))
|
||||
|
||||
(defmacro --separate (form list)
|
||||
"Anaphoric form of `-separate'."
|
||||
(let ((y (make-symbol "yes"))
|
||||
(n (make-symbol "no")))
|
||||
`(let (,y ,n)
|
||||
(--each ,list (if ,form (!cons it ,y) (!cons it ,n)))
|
||||
(list (nreverse ,y) (nreverse ,n)))))
|
||||
|
||||
(defun -separate (pred list)
|
||||
"Returns a list of ((-filter PRED LIST) (-remove PRED LIST)), in one pass through the list."
|
||||
(--separate (funcall pred it) list))
|
||||
|
||||
(defun -partition (n list)
|
||||
"Returns a new list with the items in LIST grouped into N-sized sublists.
|
||||
If there are not enough items to make the last group N-sized,
|
||||
those items are discarded."
|
||||
(let ((result nil)
|
||||
(sublist nil)
|
||||
(len 0))
|
||||
(while list
|
||||
(!cons (car list) sublist)
|
||||
(setq len (1+ len))
|
||||
(when (= len n)
|
||||
(!cons (nreverse sublist) result)
|
||||
(setq sublist nil)
|
||||
(setq len 0))
|
||||
(!cdr list))
|
||||
(nreverse result)))
|
||||
|
||||
(defun -partition-all (n list)
|
||||
"Returns a new list with the items in LIST grouped into N-sized sublists.
|
||||
The last group may contain less than N items."
|
||||
(let (result)
|
||||
(while list
|
||||
(!cons (-take n list) result)
|
||||
(setq list (-drop n list)))
|
||||
(nreverse result)))
|
||||
|
||||
(defmacro --partition-by (form list)
|
||||
"Anaphoric form of `-partition-by'."
|
||||
(let ((r (make-symbol "result"))
|
||||
(s (make-symbol "sublist"))
|
||||
(v (make-symbol "value"))
|
||||
(n (make-symbol "new-value"))
|
||||
(l (make-symbol "list")))
|
||||
`(let ((,l ,list))
|
||||
(when ,l
|
||||
(let* ((,r nil)
|
||||
(it (car ,l))
|
||||
(,s (list it))
|
||||
(,v ,form)
|
||||
(,l (cdr ,l)))
|
||||
(while ,l
|
||||
(let* ((it (car ,l))
|
||||
(,n ,form))
|
||||
(unless (equal ,v ,n)
|
||||
(!cons (nreverse ,s) ,r)
|
||||
(setq ,s nil)
|
||||
(setq ,v ,n))
|
||||
(!cons it ,s)
|
||||
(!cdr ,l)))
|
||||
(!cons (nreverse ,s) ,r)
|
||||
(nreverse ,r))))))
|
||||
|
||||
(defun -partition-by (fn list)
|
||||
"Applies FN to each item in LIST, splitting it each time FN returns a new value."
|
||||
(--partition-by (funcall fn it) list))
|
||||
|
||||
(defmacro --partition-by-header (form list)
|
||||
"Anaphoric form of `-partition-by-header'."
|
||||
(let ((r (make-symbol "result"))
|
||||
(s (make-symbol "sublist"))
|
||||
(h (make-symbol "header-value"))
|
||||
(b (make-symbol "seen-body?"))
|
||||
(n (make-symbol "new-value"))
|
||||
(l (make-symbol "list")))
|
||||
`(let ((,l ,list))
|
||||
(when ,l
|
||||
(let* ((,r nil)
|
||||
(it (car ,l))
|
||||
(,s (list it))
|
||||
(,h ,form)
|
||||
(,b nil)
|
||||
(,l (cdr ,l)))
|
||||
(while ,l
|
||||
(let* ((it (car ,l))
|
||||
(,n ,form))
|
||||
(if (equal ,h, n)
|
||||
(when ,b
|
||||
(!cons (nreverse ,s) ,r)
|
||||
(setq ,s nil)
|
||||
(setq ,b nil))
|
||||
(setq ,b t))
|
||||
(!cons it ,s)
|
||||
(!cdr ,l)))
|
||||
(!cons (nreverse ,s) ,r)
|
||||
(nreverse ,r))))))
|
||||
|
||||
(defun -partition-by-header (fn list)
|
||||
"Applies FN to the first item in LIST. That is the header
|
||||
value. Applies FN to each item in LIST, splitting it each time
|
||||
FN returns the header value, but only after seeing at least one
|
||||
other value (the body)."
|
||||
(--partition-by-header (funcall fn it) list))
|
||||
|
||||
(defmacro --group-by (form list)
|
||||
"Anaphoric form of `-group-by'."
|
||||
(let ((l (make-symbol "list"))
|
||||
(v (make-symbol "value"))
|
||||
(k (make-symbol "key"))
|
||||
(r (make-symbol "result")))
|
||||
`(let ((,l ,list)
|
||||
,r)
|
||||
;; Convert `list' to an alist and store it in `r'.
|
||||
(while ,l
|
||||
(let* ((,v (car ,l))
|
||||
(it ,v)
|
||||
(,k ,form)
|
||||
(kv (assoc ,k ,r)))
|
||||
(if kv
|
||||
(setcdr kv (cons ,v (cdr kv)))
|
||||
(push (list ,k ,v) ,r))
|
||||
(setq ,l (cdr ,l))))
|
||||
;; Reverse lists in each group.
|
||||
(let ((rest ,r))
|
||||
(while rest
|
||||
(let ((kv (car rest)))
|
||||
(setcdr kv (nreverse (cdr kv))))
|
||||
(setq rest (cdr rest))))
|
||||
;; Reverse order of keys.
|
||||
(nreverse ,r))))
|
||||
|
||||
(defun -group-by (fn list)
|
||||
"Separate LIST into an alist whose keys are FN applied to the
|
||||
elements of LIST. Keys are compared by `equal'."
|
||||
(--group-by (funcall fn it) list))
|
||||
|
||||
(defun -interpose (sep list)
|
||||
"Returns a new list of all elements in LIST separated by SEP."
|
||||
(let (result)
|
||||
(when list
|
||||
(!cons (car list) result)
|
||||
(!cdr list))
|
||||
(while list
|
||||
(setq result (cons (car list) (cons sep result)))
|
||||
(!cdr list))
|
||||
(nreverse result)))
|
||||
|
||||
(defun -interleave (&rest lists)
|
||||
"Returns a new list of the first item in each list, then the second etc."
|
||||
(let (result)
|
||||
(while (-none? 'null lists)
|
||||
(--each lists (!cons (car it) result))
|
||||
(setq lists (-map 'cdr lists)))
|
||||
(nreverse result)))
|
||||
|
||||
(defmacro --zip-with (form list1 list2)
|
||||
"Anaphoric form of `-zip-with'.
|
||||
|
||||
The elements in list1 is bound as `it`, the elements in list2 as `other`."
|
||||
(let ((r (make-symbol "result"))
|
||||
(l1 (make-symbol "list1"))
|
||||
(l2 (make-symbol "list2")))
|
||||
`(let ((,r nil)
|
||||
(,l1 ,list1)
|
||||
(,l2 ,list2))
|
||||
(while (and ,l1 ,l2)
|
||||
(let ((it (car ,l1))
|
||||
(other (car ,l2)))
|
||||
(!cons ,form ,r)
|
||||
(!cdr ,l1)
|
||||
(!cdr ,l2)))
|
||||
(nreverse ,r))))
|
||||
|
||||
(defun -zip-with (fn list1 list2)
|
||||
"Zip the two lists LIST1 and LIST2 using a function FN. This
|
||||
function is applied pairwise taking as first argument element of
|
||||
LIST1 and as second argument element of LIST2 at corresponding
|
||||
position.
|
||||
|
||||
The anaphoric form `--zip-with' binds the elements from LIST1 as `it`,
|
||||
and the elements from LIST2 as `other`."
|
||||
(--zip-with (funcall fn it other) list1 list2))
|
||||
|
||||
(defun -zip (list1 list2)
|
||||
"Zip the two lists together. Return the list where elements
|
||||
are cons pairs with car being element from LIST1 and cdr being
|
||||
element from LIST2. The length of the returned list is the
|
||||
length of the shorter one."
|
||||
(-zip-with 'cons list1 list2))
|
||||
|
||||
(defun -partial (fn &rest args)
|
||||
"Takes a function FN and fewer than the normal arguments to FN,
|
||||
and returns a fn that takes a variable number of additional ARGS.
|
||||
When called, the returned function calls FN with ARGS first and
|
||||
then additional args."
|
||||
(apply 'apply-partially fn args))
|
||||
|
||||
(defun -rpartial (fn &rest args)
|
||||
"Takes a function FN and fewer than the normal arguments to FN,
|
||||
and returns a fn that takes a variable number of additional ARGS.
|
||||
When called, the returned function calls FN with the additional
|
||||
args first and then ARGS.
|
||||
|
||||
Requires Emacs 24 or higher."
|
||||
`(closure (t) (&rest args)
|
||||
(apply ',fn (append args ',args))))
|
||||
|
||||
(defun -applify (fn)
|
||||
"Changes an n-arity function FN to a 1-arity function that
|
||||
expects a list with n items as arguments"
|
||||
(apply-partially 'apply fn))
|
||||
|
||||
(defmacro -> (x &optional form &rest more)
|
||||
"Threads the expr through the forms. Inserts X as the second
|
||||
item in the first form, making a list of it if it is not a list
|
||||
already. If there are more forms, inserts the first form as the
|
||||
second item in second form, etc."
|
||||
(cond
|
||||
((null form) x)
|
||||
((null more) (if (listp form)
|
||||
`(,(car form) ,x ,@(cdr form))
|
||||
(list form x)))
|
||||
(:else `(-> (-> ,x ,form) ,@more))))
|
||||
|
||||
(defmacro ->> (x form &rest more)
|
||||
"Threads the expr through the forms. Inserts X as the last item
|
||||
in the first form, making a list of it if it is not a list
|
||||
already. If there are more forms, inserts the first form as the
|
||||
last item in second form, etc."
|
||||
(if (null more)
|
||||
(if (listp form)
|
||||
`(,(car form) ,@(cdr form) ,x)
|
||||
(list form x))
|
||||
`(->> (->> ,x ,form) ,@more)))
|
||||
|
||||
(defmacro --> (x form &rest more)
|
||||
"Threads the expr through the forms. Inserts X at the position
|
||||
signified by the token `it' in the first form. If there are more
|
||||
forms, inserts the first form at the position signified by `it'
|
||||
in in second form, etc."
|
||||
(if (null more)
|
||||
(if (listp form)
|
||||
(--map-when (eq it 'it) x form)
|
||||
(list form x))
|
||||
`(--> (--> ,x ,form) ,@more)))
|
||||
|
||||
(put '-> 'lisp-indent-function 1)
|
||||
(put '->> 'lisp-indent-function 1)
|
||||
(put '--> 'lisp-indent-function 1)
|
||||
|
||||
(defmacro -when-let (var-val &rest body)
|
||||
"If VAL evaluates to non-nil, bind it to VAR and execute body.
|
||||
VAR-VAL should be a (VAR VAL) pair."
|
||||
(let ((var (car var-val))
|
||||
(val (cadr var-val)))
|
||||
`(let ((,var ,val))
|
||||
(when ,var
|
||||
,@body))))
|
||||
|
||||
(defmacro -when-let* (vars-vals &rest body)
|
||||
"If all VALS evaluate to true, bind them to their corresponding
|
||||
VARS and execute body. VARS-VALS should be a list of (VAR VAL)
|
||||
pairs (corresponding to bindings of `let*')."
|
||||
(if (= (length vars-vals) 1)
|
||||
`(-when-let ,(car vars-vals)
|
||||
,@body)
|
||||
`(-when-let ,(car vars-vals)
|
||||
(-when-let* ,(cdr vars-vals)
|
||||
,@body))))
|
||||
|
||||
(defmacro --when-let (val &rest body)
|
||||
"If VAL evaluates to non-nil, bind it to `it' and execute
|
||||
body."
|
||||
`(let ((it ,val))
|
||||
(when it
|
||||
,@body)))
|
||||
|
||||
(defmacro -if-let (var-val then &optional else)
|
||||
"If VAL evaluates to non-nil, bind it to VAR and do THEN,
|
||||
otherwise do ELSE. VAR-VAL should be a (VAR VAL) pair."
|
||||
(let ((var (car var-val))
|
||||
(val (cadr var-val)))
|
||||
`(let ((,var ,val))
|
||||
(if ,var ,then ,else))))
|
||||
|
||||
(defmacro -if-let* (vars-vals then &optional else)
|
||||
"If all VALS evaluate to true, bind them to their corresponding
|
||||
VARS and do THEN, otherwise do ELSE. VARS-VALS should be a list
|
||||
of (VAR VAL) pairs (corresponding to the bindings of `let*')."
|
||||
(let ((first-pair (car vars-vals))
|
||||
(rest (cdr vars-vals)))
|
||||
(if (= (length vars-vals) 1)
|
||||
`(-if-let ,first-pair ,then ,else)
|
||||
`(-if-let ,first-pair
|
||||
(-if-let* ,rest ,then ,else)
|
||||
,else))))
|
||||
|
||||
(defmacro --if-let (val then &optional else)
|
||||
"If VAL evaluates to non-nil, bind it to `it' and do THEN,
|
||||
otherwise do ELSE."
|
||||
`(let ((it ,val))
|
||||
(if it ,then ,else)))
|
||||
|
||||
(put '-when-let 'lisp-indent-function 1)
|
||||
(put '-when-let* 'lisp-indent-function 1)
|
||||
(put '--when-let 'lisp-indent-function 1)
|
||||
(put '-if-let 'lisp-indent-function 1)
|
||||
(put '-if-let* 'lisp-indent-function 1)
|
||||
(put '--if-let 'lisp-indent-function 1)
|
||||
|
||||
(defun -distinct (list)
|
||||
"Return a new list with all duplicates removed.
|
||||
The test for equality is done with `equal',
|
||||
or with `-compare-fn' if that's non-nil.
|
||||
|
||||
Alias: `-uniq'"
|
||||
(let (result)
|
||||
(--each list (unless (-contains? result it) (!cons it result)))
|
||||
(nreverse result)))
|
||||
|
||||
(defun -union (list list2)
|
||||
"Return a new list containing the elements of LIST1 and elements of LIST2 that are not in LIST1.
|
||||
The test for equality is done with `equal',
|
||||
or with `-compare-fn' if that's non-nil."
|
||||
(let (result)
|
||||
(--each list (!cons it result))
|
||||
(--each list2 (unless (-contains? result it) (!cons it result)))
|
||||
(nreverse result)))
|
||||
|
||||
(defalias '-uniq '-distinct)
|
||||
|
||||
(defun -intersection (list list2)
|
||||
"Return a new list containing only the elements that are members of both LIST and LIST2.
|
||||
The test for equality is done with `equal',
|
||||
or with `-compare-fn' if that's non-nil."
|
||||
(--filter (-contains? list2 it) list))
|
||||
|
||||
(defun -difference (list list2)
|
||||
"Return a new list with only the members of LIST that are not in LIST2.
|
||||
The test for equality is done with `equal',
|
||||
or with `-compare-fn' if that's non-nil."
|
||||
(--filter (not (-contains? list2 it)) list))
|
||||
|
||||
(defvar -compare-fn nil
|
||||
"Tests for equality use this function or `equal' if this is nil.
|
||||
It should only be set using dynamic scope with a let, like:
|
||||
(let ((-compare-fn =)) (-union numbers1 numbers2 numbers3)")
|
||||
|
||||
(defun -contains? (list element)
|
||||
"Return whether LIST contains ELEMENT.
|
||||
The test for equality is done with `equal',
|
||||
or with `-compare-fn' if that's non-nil."
|
||||
(not
|
||||
(null
|
||||
(cond
|
||||
((null -compare-fn) (member element list))
|
||||
((eq -compare-fn 'eq) (memq element list))
|
||||
((eq -compare-fn 'eql) (memql element list))
|
||||
(t
|
||||
(let ((lst list))
|
||||
(while (and lst
|
||||
(not (funcall -compare-fn element (car lst))))
|
||||
(setq lst (cdr lst)))
|
||||
lst))))))
|
||||
|
||||
(defalias '-contains-p '-contains?)
|
||||
|
||||
(defun -repeat (n x)
|
||||
"Return a list with X repeated N times.
|
||||
Returns nil if N is less than 1."
|
||||
(let (ret)
|
||||
(--dotimes n (!cons x ret))
|
||||
ret))
|
||||
|
||||
(eval-after-load "lisp-mode"
|
||||
'(progn
|
||||
(let ((new-keywords '(
|
||||
"--each"
|
||||
"-each"
|
||||
"--each-while"
|
||||
"-each-while"
|
||||
"--dotimes"
|
||||
"-dotimes"
|
||||
"-map"
|
||||
"--map"
|
||||
"--reduce-from"
|
||||
"-reduce-from"
|
||||
"--reduce"
|
||||
"-reduce"
|
||||
"--filter"
|
||||
"-filter"
|
||||
"-select"
|
||||
"--select"
|
||||
"--remove"
|
||||
"-remove"
|
||||
"-reject"
|
||||
"--reject"
|
||||
"--keep"
|
||||
"-keep"
|
||||
"-flatten"
|
||||
"-concat"
|
||||
"--mapcat"
|
||||
"-mapcat"
|
||||
"--first"
|
||||
"-first"
|
||||
"--any?"
|
||||
"-any?"
|
||||
"-some?"
|
||||
"--some?"
|
||||
"-any-p"
|
||||
"--any-p"
|
||||
"-some-p"
|
||||
"--some-p"
|
||||
"--all?"
|
||||
"-all?"
|
||||
"-every?"
|
||||
"--every?"
|
||||
"-all-p"
|
||||
"--all-p"
|
||||
"-every-p"
|
||||
"--every-p"
|
||||
"--none?"
|
||||
"-none?"
|
||||
"-none-p"
|
||||
"--none-p"
|
||||
"-only-some?"
|
||||
"--only-some?"
|
||||
"-only-some-p"
|
||||
"--only-some-p"
|
||||
"-take"
|
||||
"-drop"
|
||||
"--take-while"
|
||||
"-take-while"
|
||||
"--drop-while"
|
||||
"-drop-while"
|
||||
"-split-at"
|
||||
"-insert-at"
|
||||
"--split-with"
|
||||
"-split-with"
|
||||
"-partition"
|
||||
"-partition-all"
|
||||
"-interpose"
|
||||
"-interleave"
|
||||
"--zip-with"
|
||||
"-zip-with"
|
||||
"-zip"
|
||||
"--map-when"
|
||||
"-map-when"
|
||||
"--replace-where"
|
||||
"-replace-where"
|
||||
"-partial"
|
||||
"-rpartial"
|
||||
"->"
|
||||
"->>"
|
||||
"-->"
|
||||
"-when-let"
|
||||
"-when-let*"
|
||||
"--when-let"
|
||||
"-if-let"
|
||||
"-if-let*"
|
||||
"--if-let"
|
||||
"-distinct"
|
||||
"-intersection"
|
||||
"-difference"
|
||||
"-contains?"
|
||||
"-contains-p"
|
||||
"-repeat"
|
||||
"-cons*"
|
||||
))
|
||||
(special-variables '(
|
||||
"it"
|
||||
"it-index"
|
||||
"acc"
|
||||
"other"
|
||||
)))
|
||||
(font-lock-add-keywords 'emacs-lisp-mode `((,(concat "\\<" (regexp-opt special-variables 'paren) "\\>")
|
||||
1 font-lock-variable-name-face)) 'append)
|
||||
(font-lock-add-keywords 'emacs-lisp-mode `((,(concat "(\\s-*" (regexp-opt new-keywords 'paren) "\\>")
|
||||
1 font-lock-keyword-face)) 'append))
|
||||
(--each (buffer-list)
|
||||
(with-current-buffer it
|
||||
(when (and (eq major-mode 'emacs-lisp-mode)
|
||||
(boundp 'font-lock-mode)
|
||||
font-lock-mode)
|
||||
(font-lock-refresh-defaults))))))
|
||||
|
||||
(provide 'dash)
|
||||
;;; dash.el ends here
|
||||
Loading…
Reference in New Issue