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| author | Bram Moolenaar <Bram@vim.org> | 2019-08-09 23:25:08 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2019-08-09 23:25:08 +0200 |
| commit | 22a0c0c4ecd23b6c43f79ba9b92899ca0b426e29 (patch) | |
| tree | 4c2ad3650de93bd7282b196205e862f4c23ce8ba /runtime | |
| parent | 0c779e8e4831c538918ae835ce3365af028e36ea (diff) | |
patch 8.1.1834: cannot use a lambda as a methodv8.1.1834
Problem: Cannot use a lambda as a method.
Solution: Implement ->{lambda}(). (closes #4768)
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/doc/eval.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 2f35c7c992..981121f8a1 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -1217,7 +1217,8 @@ expr8(expr1, ...) |Funcref| function call When expr8 is a |Funcref| type variable, invoke the function it refers to. -expr8->name([args]) method call *method* +expr8->name([args]) method call *method* *->* +expr8->{lambda}([args]) For methods that are also available as global functions this is the same as: > name(expr8 [, args]) @@ -1227,6 +1228,9 @@ This allows for chaining, passing the value that one method returns to the next method: > mylist->filter(filterexpr)->map(mapexpr)->sort()->join() < +Example of using a lambda: > + GetPercentage->{x -> x * 100}()->printf('%d%%') + *E274* "->name(" must not contain white space. There can be white space before the "->" and after the "(", thus you can split the lines like this: > |