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Clarify return value for assignment methods.

Browse Source 
https://github.com/ruby/ruby/pull/1682

  Patch by @sos4nt [fix GH-1682]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60295 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
hsbt 2017-10-21 15:19:45 +00:00
parent 2476bf2bb1
commit 86f1d9b705
1 changed files with 5 additions and 1 deletions
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6
doc/syntax/methods.rdoc
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@ -147,7 +147,7 @@ evaluated.
1 + 1 # this expression is never evaluated 1 + 1 # this expression is never evaluated
end end
Note that for assignment methods the return value will always be ignored. Note that for assignment methods the return value will be ignored when using the assignment syntax.
Instead, the argument will be returned: Instead, the argument will be returned:
def a=(value) def a=(value)
@ -155,6 +155,10 @@ Instead, the argument will be returned:
end end
p(a = 5) # prints 5 p(a = 5) # prints 5
The actual return value will be returned when invoking the method directly:
p send(:a=, 5) # prints 6
== Scope == Scope