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doc added for `writer` method in `alias_method_chain`[ci skip]

This commit is contained in:
Kuldeep Aggarwal 2014-10-04 18:51:50 +05:30
parent a4d8b62ed1
commit 619f82bf18
1 changed files with 2 additions and 2 deletions
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4
activesupport/lib/active_support/core_ext/module/aliasing.rb
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@ -19,9 +19,9 @@ class Module
# alias_method :foo_without_feature?, :foo?
# alias_method :foo?, :foo_with_feature?
#
# so you can safely chain foo, foo?, and foo! with the same feature.
# so you can safely chain foo, foo?, foo! and/or foo= with the same feature.
def alias_method_chain(target, feature)
# Strip out punctuation on predicates or bang methods since
# Strip out punctuation on predicates, bang or writer methods since
# e.g. target?_without_feature is not a valid method name.
aliased_target, punctuation = target.to_s.sub(/([?!=])$/, ''), $1
yield(aliased_target, punctuation) if block_given?