Mercurial > vim
comparison runtime/doc/options.txt @ 26441:65ab0b035dd8 v8.2.3751
patch 8.2.3751: cannot assign a lambda to an option that takes a function
Commit: https://github.com/vim/vim/commit/6409553b6e3b4de4e1d72b8ee5445595214581ff
Author: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Mon Dec 6 11:03:55 2021 +0000
patch 8.2.3751: cannot assign a lambda to an option that takes a function
Problem: Cannot assign a lambda to an option that takes a function.
Solution: Automatically convert the lambda to a string. (Yegappan
Lakshmanan, closes #9286)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 06 Dec 2021 12:15:04 +0100 |
| parents | c725b8e17f1f |
| children | a0bc10e83cf8 |
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| 26440:f6f5f604c17c | 26441:65ab0b035dd8 |
|---|---|
| 374 | 374 |
| 375 | 375 |
| 376 *option-value-function* | 376 *option-value-function* |
| 377 Some options ('completefunc', 'imactivatefunc', 'imstatusfunc', 'omnifunc', | 377 Some options ('completefunc', 'imactivatefunc', 'imstatusfunc', 'omnifunc', |
| 378 'operatorfunc', 'quickfixtextfunc', 'tagfunc' and 'thesaurusfunc') are set to | 378 'operatorfunc', 'quickfixtextfunc', 'tagfunc' and 'thesaurusfunc') are set to |
| 379 a function name or a function reference or a lambda function. Examples: | 379 a function name or a function reference or a lambda function. When using a |
| 380 lambda it will be converted to the name, e.g. "<lambda>123". Examples: | |
| 380 > | 381 > |
| 381 set opfunc=MyOpFunc | 382 set opfunc=MyOpFunc |
| 382 set opfunc=function('MyOpFunc') | 383 set opfunc=function('MyOpFunc') |
| 383 set opfunc=funcref('MyOpFunc') | 384 set opfunc=funcref('MyOpFunc') |
| 384 set opfunc={a\ ->\ MyOpFunc(a)} | 385 set opfunc={a\ ->\ MyOpFunc(a)} |
| 385 " set using a funcref variable | 386 " set using a funcref variable |
| 386 let Fn = function('MyTagFunc') | 387 let Fn = function('MyTagFunc') |
| 387 let &tagfunc = string(Fn) | 388 let &tagfunc = string(Fn) |
| 388 " set using a lambda expression | 389 " set using a lambda expression |
| 389 let &tagfunc = "{t -> MyTagFunc(t)}" | 390 let &tagfunc = {t -> MyTagFunc(t)} |
| 390 " set using a variable with lambda expression | 391 " set using a variable with lambda expression |
| 391 let L = {a, b, c -> MyTagFunc(a, b , c)} | 392 let L = {a, b, c -> MyTagFunc(a, b , c)} |
| 392 let &tagfunc = string(L) | 393 let &tagfunc = L |
| 393 < | 394 < |
| 394 | 395 |
| 395 Setting the filetype | 396 Setting the filetype |
| 396 | 397 |
| 397 :setf[iletype] [FALLBACK] {filetype} *:setf* *:setfiletype* | 398 :setf[iletype] [FALLBACK] {filetype} *:setf* *:setfiletype* |