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patch 8.2.3619: cannot use a lambda for 'operatorfunc'

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Problem:    Cannot use a lambda for 'operatorfunc'.
Solution:   Support using a lambda or partial. (Yegappan Lakshmanan,
            closes #8775)
This commit is contained in:
Yegappan Lakshmanan
2021-11-18 22:08:57 +00:00
committed by Bram Moolenaar
parent 851c7a699a
commit 777175b0df
10 changed files with 185 additions and 41 deletions
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14
runtime/doc/map.txt
View File

@@ -1009,6 +1009,20 @@ or `unnamedplus`.
The `mode()` function will return the state as it will be after applying the
operator.
The `mode()` function will return the state as it will be after applying the
operator.
Here is an example for using a lambda function to create a normal-mode
operator to add quotes around text in the current line: >
nnoremap <F4> <Cmd>let &opfunc='{t ->
\ getline(".")
\ ->split("\\zs")
\ ->insert("\"", col("'']"))
\ ->insert("\"", col("''[") - 1)
\ ->join("")
\ ->setline(".")}'<CR>g@
==============================================================================
2. Abbreviations *abbreviations* *Abbreviations*

20
runtime/doc/options.txt
View File

@@ -371,6 +371,17 @@ Note: In the future more global options can be made global-local. Using
":setlocal" on a global option might work differently then.
*option-value-function*
Some options ('completefunc', 'imactivatefunc', 'imstatusfunc', 'omnifunc',
'operatorfunc', 'quickfixtextfunc' and 'tagfunc') are set to a function name
or a function reference or a lambda function. Examples:
>
set opfunc=MyOpFunc
set opfunc=function("MyOpFunc")
set opfunc=funcref("MyOpFunc")
set opfunc={t\ ->\ MyOpFunc(t)}
<
Setting the filetype
:setf[iletype] [FALLBACK] {filetype} *:setf* *:setfiletype*
@@ -5623,7 +5634,9 @@ A jump table for the options with a short description can be found at |Q_op|.
'operatorfunc' 'opfunc' string (default: empty)
global
This option specifies a function to be called by the |g@| operator.
See |:map-operator| for more info and an example.
See |:map-operator| for more info and an example. The value can be
the name of a function, a |lambda| or a |Funcref|. See
|option-value-function| for more information.
This option cannot be set from a |modeline| or in the |sandbox|, for
security reasons.
@@ -6023,8 +6036,9 @@ A jump table for the options with a short description can be found at |Q_op|.
customize the information displayed in the quickfix or location window
for each entry in the corresponding quickfix or location list. See
|quickfix-window-function| for an explanation of how to write the
function and an example. The value can be the name of a function or a
lambda.
function and an example. The value can be the name of a function, a
|lambda| or a |Funcref|. See |option-value-function| for more
information.
This option cannot be set from a |modeline| or in the |sandbox|, for
security reasons.