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| author | Victor Shepelev <zverok.offline@gmail.com> | 2021-12-19 18:09:52 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-12-20 01:09:52 +0900 |
| commit | a0f10a973fb94a0ee73da7cab792128cdf601783 (patch) | |
| tree | e025219312d597d04d0670951c13a867f2f98721 /doc/syntax/literals.rdoc | |
| parent | 1dd10e189274546689c0b59f6a76849b2808f255 (diff) | |
[DOC] Add documentation for hash value omission syntax
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/5244
Merged-By: nobu <nobu@ruby-lang.org>
Diffstat (limited to 'doc/syntax/literals.rdoc')
| -rw-r--r-- | doc/syntax/literals.rdoc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/syntax/literals.rdoc b/doc/syntax/literals.rdoc index 66e17fd503..32fe5110ce 100644 --- a/doc/syntax/literals.rdoc +++ b/doc/syntax/literals.rdoc @@ -356,6 +356,14 @@ is equal to { :"a 1" => 1, :"b 2" => 2 } +Hash values can be omitted, meaning that value will be fetched from the context +by the name of the key: + + x = 100 + y = 200 + h = { x:, y: } + #=> {:x=>100, :y=>200} + See Hash for the methods you may use with a hash. == \Range Literals |