summaryrefslogtreecommitdiff
path: root/elpa/ht-20210119.741/ht.el
diff options
context:
space:
mode:
Diffstat (limited to 'elpa/ht-20210119.741/ht.el')
-rw-r--r--elpa/ht-20210119.741/ht.el337
1 files changed, 0 insertions, 337 deletions
diff --git a/elpa/ht-20210119.741/ht.el b/elpa/ht-20210119.741/ht.el
deleted file mode 100644
index 0809ef1..0000000
--- a/elpa/ht-20210119.741/ht.el
+++ /dev/null
@@ -1,337 +0,0 @@
-;;; ht.el --- The missing hash table library for Emacs -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2013 Wilfred Hughes
-
-;; Author: Wilfred Hughes <me@wilfred.me.uk>
-;; Version: 2.4
-;; Package-Version: 20210119.741
-;; Package-Commit: c4c1be487d6ecb353d07881526db05d7fc90ea87
-;; Keywords: hash table, hash map, hash
-;; Package-Requires: ((dash "2.12.0"))
-
-;; This program is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; This program is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; The missing hash table library for Emacs.
-;;
-;; See documentation at https://github.com/Wilfred/ht.el
-
-;;; Code:
-
-(require 'dash)
-(require 'gv)
-(eval-when-compile
- (require 'inline))
-
-(defmacro ht (&rest pairs)
- "Create a hash table with the key-value pairs given.
-Keys are compared with `equal'.
-
-\(fn (KEY-1 VALUE-1) (KEY-2 VALUE-2) ...)"
- (let* ((table-symbol (make-symbol "ht-temp"))
- (assignments
- (mapcar
- (lambda (pair) `(ht-set! ,table-symbol ,@pair))
- pairs)))
- `(let ((,table-symbol (ht-create)))
- ,@assignments
- ,table-symbol)))
-
-(define-inline ht-set! (table key value)
- "Associate KEY in TABLE with VALUE."
- (inline-quote
- (prog1 nil
- (puthash ,key ,value ,table))))
-
-(defalias 'ht-set 'ht-set!)
-
-(define-inline ht-create (&optional test)
- "Create an empty hash table.
-
-TEST indicates the function used to compare the hash
-keys. Default is `equal'. It can be `eq', `eql', `equal' or a
-user-supplied test created via `define-hash-table-test'."
- (declare (side-effect-free t))
- (inline-quote (make-hash-table :test (or ,test 'equal))))
-
-(defun ht<-alist (alist &optional test)
- "Create a hash table with initial values according to ALIST.
-
-TEST indicates the function used to compare the hash
-keys. Default is `equal'. It can be `eq', `eql', `equal' or a
-user-supplied test created via `define-hash-table-test'."
- (declare (side-effect-free t))
- (let ((h (ht-create test)))
- ;; the first key-value pair in an alist gets precedence, so we
- ;; start from the end of the list:
- (dolist (pair (reverse alist) h)
- (let ((key (car pair))
- (value (cdr pair)))
- (ht-set! h key value)))))
-
-(defalias 'ht-from-alist 'ht<-alist)
-
-(defun ht<-plist (plist &optional test)
- "Create a hash table with initial values according to PLIST.
-
-TEST indicates the function used to compare the hash
-keys. Default is `equal'. It can be `eq', `eql', `equal' or a
-user-supplied test created via `define-hash-table-test'."
- (declare (side-effect-free t))
- (let ((h (ht-create test)))
- (dolist (pair (nreverse (-partition 2 plist)) h)
- (let ((key (car pair))
- (value (cadr pair)))
- (ht-set! h key value)))))
-
-(defalias 'ht-from-plist 'ht<-plist)
-
-(define-inline ht-get (table key &optional default)
- "Look up KEY in TABLE, and return the matching value.
-If KEY isn't present, return DEFAULT (nil if not specified)."
- (declare (side-effect-free t))
- (inline-quote
- (gethash ,key ,table ,default)))
-
-;; Don't use `ht-set!' here, gv setter was assumed to return the value
-;; to be set.
-(gv-define-setter ht-get (value table key) `(puthash ,key ,value ,table))
-
-(define-inline ht-get* (table &rest keys)
- "Look up KEYS in nested hash tables, starting with TABLE.
-The lookup for each key should return another hash table, except
-for the final key, which may return any value."
- (declare (side-effect-free t))
- (inline-letevals (table keys)
- (inline-quote
- (progn
- (while ,keys
- (setf ,table (ht-get ,table (pop ,keys))))
- ,table))))
-
-(put 'ht-get* 'compiler-macro
- (lambda (_ table &rest keys)
- (--reduce-from `(ht-get ,acc ,it) table keys)))
-
-(defun ht-update! (table from-table)
- "Update TABLE according to every key-value pair in FROM-TABLE."
- (maphash
- (lambda (key value) (puthash key value table))
- from-table)
- nil)
-
-(defalias 'ht-update 'ht-update!)
-
-(defun ht-merge (&rest tables)
- "Crete a new tables that includes all the key-value pairs from TABLES.
-If multiple have tables have the same key, the value in the last
-table is used."
- (let ((merged (ht-create)))
- (mapc (lambda (table) (ht-update! merged table)) tables)
- merged))
-
-(define-inline ht-remove! (table key)
- "Remove KEY from TABLE."
- (inline-quote (remhash ,key ,table)))
-
-(defalias 'ht-remove 'ht-remove!)
-
-(define-inline ht-clear! (table)
- "Remove all keys from TABLE."
- (inline-quote
- (prog1 nil
- (clrhash ,table))))
-
-(defalias 'ht-clear 'ht-clear!)
-
-(defun ht-map (function table)
- "Apply FUNCTION to each key-value pair of TABLE, and make a list of the results.
-FUNCTION is called with two arguments, KEY and VALUE."
- (let (results)
- (maphash
- (lambda (key value)
- (push (funcall function key value) results))
- table)
- results))
-
-(defmacro ht-amap (form table)
- "Anaphoric version of `ht-map'.
-For every key-value pair in TABLE, evaluate FORM with the
-variables KEY and VALUE bound. If you don't use both of
-these variables, then use `ht-map' to avoid warnings."
- `(ht-map (lambda (key value) ,form) ,table))
-
-(defun ht-keys (table)
- "Return a list of all the keys in TABLE."
- (declare (side-effect-free t))
- (ht-map (lambda (key _value) key) table))
-
-(defun ht-values (table)
- "Return a list of all the values in TABLE."
- (declare (side-effect-free t))
- (ht-map (lambda (_key value) value) table))
-
-(defun ht-items (table)
- "Return a list of two-element lists '(key value) from TABLE."
- (declare (side-effect-free t))
- (ht-amap (list key value) table))
-
-(defalias 'ht-each 'maphash
- "Apply FUNCTION to each key-value pair of TABLE.
-Returns nil, used for side-effects only.")
-
-(defmacro ht-aeach (form table)
- "Anaphoric version of `ht-each'.
-For every key-value pair in TABLE, evaluate FORM with the
-variables key and value bound."
- `(ht-each (lambda (key value) ,form) ,table))
-
-(defun ht-select-keys (table keys)
- "Return a copy of TABLE with only the specified KEYS."
- (declare (side-effect-free t))
- (let (result)
- (setq result (make-hash-table :test (hash-table-test table)))
- (dolist (key keys result)
- (if (not (equal (gethash key table 'key-not-found) 'key-not-found))
- (puthash key (gethash key table) result)))))
-
-(defun ht->plist (table)
- "Return a flat list '(key1 value1 key2 value2...) from TABLE.
-
-Note that hash tables are unordered, so this cannot be an exact
-inverse of `ht<-plist'. The following is not guaranteed:
-
-\(let ((data '(a b c d)))
- (equalp data
- (ht->plist (ht<-plist data))))"
- (declare (side-effect-free t))
- (apply 'append (ht-items table)))
-
-(defalias 'ht-to-plist 'ht->plist)
-
-(define-inline ht-copy (table)
- "Return a shallow copy of TABLE (keys and values are shared)."
- (declare (side-effect-free t))
- (inline-quote (copy-hash-table ,table)))
-
-(defun ht->alist (table)
- "Return a list of two-element lists '(key . value) from TABLE.
-
-Note that hash tables are unordered, so this cannot be an exact
-inverse of `ht<-alist'. The following is not guaranteed:
-
-\(let ((data '((a . b) (c . d))))
- (equalp data
- (ht->alist (ht<-alist data))))"
- (declare (side-effect-free t))
- (ht-amap (cons key value) table))
-
-(defalias 'ht-to-alist 'ht->alist)
-
-(defalias 'ht? 'hash-table-p)
-
-(defalias 'ht-p 'hash-table-p)
-
-(define-inline ht-contains? (table key)
- "Return 't if TABLE contains KEY."
- (declare (side-effect-free t))
- (inline-quote
- (let ((not-found-symbol (make-symbol "ht--not-found")))
- (not (eq (ht-get ,table ,key not-found-symbol) not-found-symbol)))))
-
-(defalias 'ht-contains-p 'ht-contains?)
-
-(define-inline ht-size (table)
- "Return the actual number of entries in TABLE."
- (declare (side-effect-free t))
- (inline-quote
- (hash-table-count ,table)))
-
-(define-inline ht-empty? (table)
- "Return true if the actual number of entries in TABLE is zero."
- (declare (side-effect-free t))
- (inline-quote
- (zerop (ht-size ,table))))
-
-(defalias 'ht-empty-p 'ht-empty?)
-
-(defun ht-select (function table)
- "Return a hash table containing all entries in TABLE for which
-FUNCTION returns a truthy value.
-
-FUNCTION is called with two arguments, KEY and VALUE."
- (let ((results (ht-create)))
- (ht-each
- (lambda (key value)
- (when (funcall function key value)
- (ht-set! results key value)))
- table)
- results))
-
-(defun ht-reject (function table)
- "Return a hash table containing all entries in TABLE for which
-FUNCTION returns a falsy value.
-
-FUNCTION is called with two arguments, KEY and VALUE."
- (let ((results (ht-create)))
- (ht-each
- (lambda (key value)
- (unless (funcall function key value)
- (ht-set! results key value)))
- table)
- results))
-
-(defun ht-reject! (function table)
- "Delete entries from TABLE for which FUNCTION returns a falsy value.
-
-FUNCTION is called with two arguments, KEY and VALUE."
- (ht-each
- (lambda (key value)
- (when (funcall function key value)
- (remhash key table)))
- table)
- nil)
-
-(defalias 'ht-delete-if 'ht-reject!)
-
-(defun ht-find (function table)
- "Return (key, value) from TABLE for which FUNCTION returns a truthy value.
-Return nil otherwise.
-
-FUNCTION is called with two arguments, KEY and VALUE."
- (catch 'break
- (ht-each
- (lambda (key value)
- (when (funcall function key value)
- (throw 'break (list key value))))
- table)))
-
-(defun ht-equal? (table1 table2)
- "Return t if TABLE1 and TABLE2 have the same keys and values.
-Does not compare equality predicates."
- (declare (side-effect-free t))
- (let ((keys1 (ht-keys table1))
- (keys2 (ht-keys table2))
- (sentinel (make-symbol "ht-sentinel")))
- (and (equal (length keys1) (length keys2))
- (--all?
- (equal (ht-get table1 it)
- (ht-get table2 it sentinel))
- keys1))))
-
-(defalias 'ht-equal-p 'ht-equal?)
-
-(provide 'ht)
-;;; ht.el ends here