Mercurial > vim

comparison runtime/doc/eval.txt @ 9737:35ce559b8553

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
commit https://github.com/vim/vim/commit/bc8801c9317eb721a2ee91322669f2dd5d136380 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 2 21:04:33 2016 +0200 Updated runtime files.
author Christian Brabandt <cb@256bit.org>
date Tue, 02 Aug 2016 21:15:06 +0200
parents 80ac9cf77c9b
children 34cc6a101340
comparison
equal deleted inserted replaced
9736:d963b7420aa2 9737:35ce559b8553
1 *eval.txt* For Vim version 7.4. Last change: 2016 Jul 31 1 *eval.txt* For Vim version 7.4. Last change: 2016 Aug 02
2 2
3 3
4 VIM REFERENCE MANUAL by Bram Moolenaar 4 VIM REFERENCE MANUAL by Bram Moolenaar
5 5
6 6
260 To prepend or append an item turn the item into a list by putting [] around 260 To prepend or append an item turn the item into a list by putting [] around
261 it. To change a list in-place see |list-modification| below. 261 it. To change a list in-place see |list-modification| below.
262 262
263 263
264 Sublist ~ 264 Sublist ~
265 265 *sublist*
266 A part of the List can be obtained by specifying the first and last index, 266 A part of the List can be obtained by specifying the first and last index,
267 separated by a colon in square brackets: > 267 separated by a colon in square brackets: >
268 :let shortlist = mylist[2:-1] " get List [3, "four"] 268 :let shortlist = mylist[2:-1] " get List [3, "four"]
269 269
270 Omitting the first index is similar to zero. Omitting the last index is 270 Omitting the first index is similar to zero. Omitting the last index is
988 :let c = name[-1:] " last byte of a string 988 :let c = name[-1:] " last byte of a string
989 :let c = name[-2:-2] " last but one byte of a string 989 :let c = name[-2:-2] " last but one byte of a string
990 :let s = line(".")[4:] " from the fifth byte to the end 990 :let s = line(".")[4:] " from the fifth byte to the end
991 :let s = s[:-3] " remove last two bytes 991 :let s = s[:-3] " remove last two bytes
992 < 992 <
993 *sublist* *slice* 993 *slice*
994 If expr8 is a |List| this results in a new |List| with the items indicated by 994 If expr8 is a |List| this results in a new |List| with the items indicated by
995 the indexes expr1a and expr1b. This works like with a String, as explained 995 the indexes expr1a and expr1b. This works like with a String, as explained
996 just above, except that indexes out of range cause an error. Examples: > 996 just above. Also see |sublist| below. Examples: >
997 :let l = mylist[:3] " first four items 997 :let l = mylist[:3] " first four items
998 :let l = mylist[4:4] " List with one item 998 :let l = mylist[4:4] " List with one item
999 :let l = mylist[:] " shallow copy of a List 999 :let l = mylist[:] " shallow copy of a List
1000 1000
1001 Using expr8[expr1] or expr8[expr1a : expr1b] on a |Funcref| results in an 1001 Using expr8[expr1] or expr8[expr1a : expr1b] on a |Funcref| results in an
8290 : let x = 0 8290 : let x = 0
8291 : function! Bar() closure 8291 : function! Bar() closure
8292 : let x += 1 8292 : let x += 1
8293 : return x 8293 : return x
8294 : endfunction 8294 : endfunction
8295 : return function('Bar') 8295 : return funcref('Bar')
8296 :endfunction 8296 :endfunction
8297 8297
8298 :let F = Foo() 8298 :let F = Foo()
8299 :echo F() 8299 :echo F()
8300 < 1 > 8300 < 1 >