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| author | Vijay Dev <vijaydev.cse@gmail.com> | 2011-11-30 23:32:01 +0530 |
|---|---|---|
| committer | Vijay Dev <vijaydev.cse@gmail.com> | 2011-11-30 23:32:01 +0530 |
| commit | 88daf082581bcec5fcdbb92d1fd784188e4d99bd (patch) | |
| tree | 4b219e66b9ee5d6830adebfaedc0d65a3edc9741 /railties/guides/source/active_support_core_extensions.textile | |
| parent | 5b2eb64ceb08cd005dc06b721935de5853971473 (diff) | |
| parent | e3bc1385f1e8d2816deb215880d99aca136c0cc3 (diff) | |
| download | rails-88daf082581bcec5fcdbb92d1fd784188e4d99bd.tar.gz rails-88daf082581bcec5fcdbb92d1fd784188e4d99bd.tar.bz2 rails-88daf082581bcec5fcdbb92d1fd784188e4d99bd.zip | |
Merge branch 'master' of github.com:lifo/docrails
Diffstat (limited to 'railties/guides/source/active_support_core_extensions.textile')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 2dee440b3b..7959a88c5b 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -440,14 +440,16 @@ NOTE: Defined in +active_support/core_ext/kernel/reporting.rb+. h4. +in?+ -The predicate +in?+ tests if an object is included in another object. An +ArgumentError+ exception will be raised if the argument passed does not respond to +include?+. +The predicate +in?+ tests if an object is included in another object or a list of objects. An +ArgumentError+ exception will be raised if a single argument is passed and it does not respond to +include?+. Examples of +in?+: <ruby> +1.in?(1,2) # => true 1.in?([1,2]) # => true "lo".in?("hello") # => true 25.in?(30..50) # => false +1.in?(1) # => ArgumentError </ruby> NOTE: Defined in +active_support/core_ext/object/inclusion.rb+. |