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| author | Jeremy Evans <code@jeremyevans.net> | 2021-11-18 12:44:19 -0800 |
|---|---|---|
| committer | Jeremy Evans <code@jeremyevans.net> | 2021-11-18 14:17:57 -0800 |
| commit | 4adb012926f8bd6011168327d8832cf19976de40 (patch) | |
| tree | 9457020694002d0a0c07ced988a1d09c79fa74e6 /doc/syntax | |
| parent | ea02b93bb95a42439631606269659dffc1981883 (diff) | |
Anonymous block forwarding allows a method to forward a passed
block to another method without having to provide a name for the
block parameter.
Implements [Feature #11256]
Co-authored-by: Yusuke Endoh mame@ruby-lang.org
Co-authored-by: Nobuyoshi Nakada nobu@ruby-lang.org
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/5051
Diffstat (limited to 'doc/syntax')
| -rw-r--r-- | doc/syntax/methods.rdoc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/syntax/methods.rdoc b/doc/syntax/methods.rdoc index e86cc2c00c..2bb350def1 100644 --- a/doc/syntax/methods.rdoc +++ b/doc/syntax/methods.rdoc @@ -515,8 +515,15 @@ Most frequently the block argument is used to pass a block to another method: @items.each(&block) end +You are not required to give a name to the block if you will just be passing +it to another method: + + def each_item(&) + @items.each(&) + end + If you are only going to call the block and will not otherwise manipulate it -or send it to another method using <code>yield</code> without an explicit +or send it to another method, using <code>yield</code> without an explicit block parameter is preferred. This method is equivalent to the first method in this section: |