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| author | 卜部昌平 <shyouhei@ruby-lang.org> | 2019-11-12 16:15:58 +0900 |
|---|---|---|
| committer | 卜部昌平 <shyouhei@ruby-lang.org> | 2019-11-12 16:17:41 +0900 |
| commit | 14db635097ef89a299531770ba8ed5800a58ab8f (patch) | |
| tree | 0eda7262f7335a8d9e201c808ecebb02d959a5da /NEWS | |
| parent | b0fb9bda9ade532da9012c375c0026470484a346 (diff) | |
add NEWS about _1 as a local variable [ci skip]
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -126,6 +126,11 @@ sufficient information, see the ChangeLog file or Redmine [1, 2, 10].map { _1.to_s(16) } #=> ["1", "2", "a"] + You can still define a local variable named _1 and so on, and that is honored when present, but renders warning. + + _1 = 0 + [1].each { p _1 } # prints 0 instead of 1, but also warns. + ==== proc/lambda without block is deprecated * Proc.new and Kernel#proc with no block in a method called with a block is |