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updated for version 7.0040
author vimboss
date Sun, 16 Jan 2005 22:02:49 +0000
parents 0aa0e89bfd5f
children f6e567606d47
comparison
equal deleted inserted replaced
107:9e65557da34c 108:375b1d0f97b0
1 *eval.txt* For Vim version 7.0aa. Last change: 2005 Jan 15 1 *eval.txt* For Vim version 7.0aa. Last change: 2005 Jan 16
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3 3
4 VIM REFERENCE MANUAL by Bram Moolenaar 4 VIM REFERENCE MANUAL by Bram Moolenaar
5 5
6 6
258 :call insert(list, 'a', 3) " insert item 'a' before list[3] 258 :call insert(list, 'a', 3) " insert item 'a' before list[3]
259 :call add(list, "new") " append String item 259 :call add(list, "new") " append String item
260 :call add(list, [1, 2]) " append List as one new item 260 :call add(list, [1, 2]) " append List as one new item
261 :call extend(list, [1, 2]) " extend the list with two more items 261 :call extend(list, [1, 2]) " extend the list with two more items
262 :let i = remove(list, 3) " remove item 3 262 :let i = remove(list, 3) " remove item 3
263 :unlet list[3] " idem
263 :let l = remove(list, 3, -1) " remove items 3 to last item 264 :let l = remove(list, 3, -1) " remove items 3 to last item
265 :unlet list[3 : ] " idem
264 :call filter(list, 'v:val =~ "x"') " remove items with an 'x' 266 :call filter(list, 'v:val =~ "x"') " remove items with an 'x'
265 267
266 Changing the oder of items in a list: > 268 Changing the oder of items in a list: >
267 :call sort(list) " sort a list alphabetically 269 :call sort(list) " sort a list alphabetically
268 :call reverse(list) " reverse the order of items 270 :call reverse(list) " reverse the order of items
414 To change an already existing entry of a Dictionary, or to add a new entry, 416 To change an already existing entry of a Dictionary, or to add a new entry,
415 use |:let| this way: > 417 use |:let| this way: >
416 :let dict[4] = "four" 418 :let dict[4] = "four"
417 :let dict['one'] = item 419 :let dict['one'] = item
418 420
419 Removing an entry from a Dictionary is done with |remove()|: > 421 Removing an entry from a Dictionary is done with |remove()| or |:unlet|.
420 :let i = remove(dict, 'aaa') " remove item with key 'aaa' 422 Three ways to remove the entry with key "aaa" from dict: >
423 :let i = remove(dict, 'aaa')
424 :unlet dict.aaa
425 :unlet dict['aaa']
421 426
422 Merging a Dictionary with another is done with |extend()|: > 427 Merging a Dictionary with another is done with |extend()|: >
423 :call extend(adict, bdict) " extend adict with entries from bdict 428 :call extend(adict, bdict) " extend adict with entries from bdict
424 429
425 Weeding out entries from a Dictionary can be done with |filter()|: > 430 Weeding out entries from a Dictionary can be done with |filter()|: >
4311 :unl[et][!] {var-name} ... 4316 :unl[et][!] {var-name} ...
4312 Remove the internal variable {var-name}. Several 4317 Remove the internal variable {var-name}. Several
4313 variable names can be given, they are all removed. 4318 variable names can be given, they are all removed.
4314 With [!] no error message is given for non-existing 4319 With [!] no error message is given for non-existing
4315 variables. 4320 variables.
4321 One or more items from a List can be removed: >
4322 :unlet list[3] " remove fourth item
4323 :unlet list[3:] " remove fourth item to last
4324 < One item from a Dictionary can be removed at a time: >
4325 :unlet dict['two']
4326 :unlet dict.two
4316 4327
4317 :if {expr1} *:if* *:endif* *:en* *E171* *E579* *E580* 4328 :if {expr1} *:if* *:endif* *:en* *E171* *E579* *E580*
4318 :en[dif] Execute the commands until the next matching ":else" 4329 :en[dif] Execute the commands until the next matching ":else"
4319 or ":endif" if {expr1} evaluates to non-zero. 4330 or ":endif" if {expr1} evaluates to non-zero.
4320 4331