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| author | Xavier Noria <fxn@hashref.com> | 2009-10-25 20:50:36 +0100 |
|---|---|---|
| committer | Xavier Noria <fxn@hashref.com> | 2009-10-25 20:51:56 +0100 |
| commit | d226287855800e1eec58cd35ed3aac5cd9fbf630 (patch) | |
| tree | b03fc0e1490dae239451cd990939668dc54f2b5f /railties/guides/source/active_support_core_extensions.textile | |
| parent | 25ea652c7008df4d78c7da64893b3653c322d005 (diff) | |
| download | rails-d226287855800e1eec58cd35ed3aac5cd9fbf630.tar.gz rails-d226287855800e1eec58cd35ed3aac5cd9fbf630.tar.bz2 rails-d226287855800e1eec58cd35ed3aac5cd9fbf630.zip | |
AS guide: documents the Range#overlaps?
Diffstat (limited to 'railties/guides/source/active_support_core_extensions.textile')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 7155cb9a79..2df46a332f 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -1668,6 +1668,16 @@ Active Support extends this method so that the argument may be another range in WARNING: The orginal +Range#include?+ is still the one aliased to +Range#===+. +h4. +overlaps?+ + +The method +Range#overlaps?+ says whether any two given ranges have non-void intersection: + +<ruby> +(1..10).overlaps?(7..11) # => true +(1..10).overlaps?(0..7) # => true +(1..10).overlaps?(11..27) # => false +</ruby> + h3. Extensions to +Proc+ ... |