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patch 8.2.0459: cannot check if a function name is correct

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Problem:    Cannot check if a function name is correct.
Solution:   Add "?funcname" to exists().
This commit is contained in:
Bram Moolenaar
2020-03-26 22:16:48 +01:00
parent bea9023d42
commit 15c476023f
5 changed files with 307 additions and 213 deletions
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8
runtime/doc/eval.txt
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@@ -4102,8 +4102,12 @@ exists({expr}) The result is a Number, which is |TRUE| if {expr} is defined,
string)
*funcname built-in function (see |functions|)
or user defined function (see
|user-functions|). Also works for a
variable that is a Funcref.
|user-functions|) that is implemented.
Also works for a variable that is a
Funcref.
?funcname built-in function that could be
implemented; to be used to check if
"funcname" is valid
varname internal variable (see
|internal-variables|). Also works
for |curly-braces-names|, |Dictionary|