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author | Olli Jokinen <olli.jokinen@enemy.fi> | 2011-12-01 15:32:59 +0200 |
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committer | Olli Jokinen <olli.jokinen@enemy.fi> | 2011-12-01 15:32:59 +0200 |
commit | b4e1903d23a760028d58bc3bb20a1d491bfd4a4b (patch) | |
tree | a40bdce1bd4800124ab6eaed2a6be017bf9cfd3d /activesupport/lib/active_support/core_ext/object/inclusion.rb | |
parent | fae9ad9c712decef70b379f5aa1faa0149902831 (diff) | |
parent | 1e51cd957e3c90f4be35f1f0c4c380d8f7d40d66 (diff) | |
download | rails-b4e1903d23a760028d58bc3bb20a1d491bfd4a4b.tar.gz rails-b4e1903d23a760028d58bc3bb20a1d491bfd4a4b.tar.bz2 rails-b4e1903d23a760028d58bc3bb20a1d491bfd4a4b.zip |
Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'activesupport/lib/active_support/core_ext/object/inclusion.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/object/inclusion.rb | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/inclusion.rb b/activesupport/lib/active_support/core_ext/object/inclusion.rb index b5671f66d0..f611cdd606 100644 --- a/activesupport/lib/active_support/core_ext/object/inclusion.rb +++ b/activesupport/lib/active_support/core_ext/object/inclusion.rb @@ -1,15 +1,25 @@ class Object - # Returns true if this object is included in the argument. Argument must be - # any object which responds to +#include?+. Usage: + # Returns true if this object is included in the argument(s). Argument must be + # any object which responds to +#include?+ or optionally, multiple arguments can be passed in. Usage: # # characters = ["Konata", "Kagami", "Tsukasa"] # "Konata".in?(characters) # => true + # + # character = "Konata" + # character.in?("Konata", "Kagami", "Tsukasa") # => true # - # This will throw an ArgumentError if the argument doesn't respond + # This will throw an ArgumentError if a single argument is passed in and it doesn't respond # to +#include?+. - def in?(another_object) - another_object.include?(self) - rescue NoMethodError - raise ArgumentError.new("The parameter passed to #in? must respond to #include?") + def in?(*args) + if args.length > 1 + args.include? self + else + another_object = args.first + if another_object.respond_to? :include? + another_object.include? self + else + raise ArgumentError.new("The single parameter passed to #in? must respond to #include?") + end + end end end |