diff options
Diffstat (limited to 'railties/guides/source/active_support_core_extensions.textile')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 35aa862835..4070d0a5c7 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -637,26 +637,6 @@ C # => NameError: uninitialized constant C See also +Object#remove_subclasses_of+ in "Extensions to All Objects FIX THIS LINK":FIXME. -h3. Extensions to +Symbol+ - -h4. +to_proc+ - -The method +to_proc+ turns a symbol into a Proc object so that for example - -<ruby> -emails = users.map {|u| u.email} -</ruby> - -can be written as - -<ruby> -emails = users.map(&:email) -</ruby> - -TIP: If the method that receives the Proc yields more than one value to it the rest are considered to be arguments of the method call. - -Symbols from Ruby 1.8.7 on respond to +to_proc+, and Active Support defines it for previous versions. - h3. Extensions to +String+ h4. +squish+ |