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Update CHANGELOG for safe_constantize.

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This commit is contained in:
José Valim 2011-09-23 16:49:05 +02:00
parent e8987c30d0
commit 36699977f2
2 changed files with 6 additions and 1 deletions
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2
activesupport/CHANGELOG
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@ -1,5 +1,7 @@
*Rails 3.2.0 (unreleased)*
* Added safe_constantize that constantizes a string but returns nil instead of an exception if the constant (or part of it) does not exist [Ryan Oblak]
* ActiveSupport::OrderedHash is now marked as extractable when using Array#extract_options! [Prem Sichanugrist]
* Added Array#prepend as an alias for Array#unshift and Array#append as an alias for Array#<< [DHH]

5
activesupport/lib/active_support/inflector/methods.rb
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@ -239,10 +239,13 @@ module ActiveSupport
# "C".safe_constantize # => 'outside', same as ::C
# end
#
# nil is returned when the name is not in CamelCase or the constant is
# nil is returned when the name is not in CamelCase or the constant (or part of it) is
# unknown.
#
# "blargle".safe_constantize # => nil
# "UnknownModule".safe_constantize # => nil
# "UnknownModule::Foo::Bar".safe_constantize # => nil
#
def safe_constantize(camel_cased_word)
begin
constantize(camel_cased_word)