diff options
Diffstat (limited to 'railties/guides/source/active_support_core_extensions.textile')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index ff6c5f967f..2dee440b3b 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -571,7 +571,7 @@ NOTE: Defined in +active_support/core_ext/module/attr_accessor_with_default.rb+. h5. Internal Attributes -When you are defining an attribute in a class that is meant to be subclassed name collisions are a risk. That's remarkably important for libraries. +When you are defining an attribute in a class that is meant to be subclassed, name collisions are a risk. That's remarkably important for libraries. Active Support defines the macros +attr_internal_reader+, +attr_internal_writer+, and +attr_internal_accessor+. They behave like their Ruby built-in +attr_*+ counterparts, except they name the underlying instance variable in a way that makes collisions less likely. @@ -3039,15 +3039,30 @@ Active Support defines these methods as well for Ruby 1.8. h6. +beginning_of_week+, +end_of_week+ -The methods +beginning_of_week+ and +end_of_week+ return the dates for the beginning and end of week, assuming weeks start on Monday: +The methods +beginning_of_week+ and +end_of_week+ return the dates for the +beginning and end of the week, respectively. Weeks are assumed to start on +Monday, but that can be changed passing an argument. <ruby> -d = Date.new(2010, 5, 8) # => Sat, 08 May 2010 -d.beginning_of_week # => Mon, 03 May 2010 -d.end_of_week # => Sun, 09 May 2010 +d = Date.new(2010, 5, 8) # => Sat, 08 May 2010 +d.beginning_of_week # => Mon, 03 May 2010 +d.beginning_of_week(:sunday) # => Sun, 02 May 2010 +d.end_of_week # => Sun, 09 May 2010 +d.end_of_week(:sunday) # => Sat, 08 May 2010 </ruby> -+beginning_of_week+ is aliased to +monday+ and +at_beginning_of_week+. +end_of_week+ is aliased to +sunday+ and +at_end_of_week+. ++beginning_of_week+ is aliased to +at_beginning_of_week+ and +end_of_week+ is aliased to +at_end_of_week+. + +h6. +monday+, +sunday+ + +The methods +monday+ and +sunday+ return the dates for the beginning and +end of the week, respectively. Weeks are assumed to start on Monday. + +<ruby> +d = Date.new(2010, 5, 8) # => Sat, 08 May 2010 +d.monday # => Mon, 03 May 2010 +d.sunday # => Sun, 09 May 2010 +</ruby> h6. +prev_week+, +next_week+ @@ -3272,8 +3287,10 @@ The class +DateTime+ is a subclass of +Date+ so by loading +active_support/core_ <ruby> yesterday tomorrow -beginning_of_week (monday, at_beginning_of_week) -end_on_week (at_end_of_week) +beginning_of_week (at_beginning_of_week) +end_of_week (at_end_of_week) +monday +sunday weeks_ago prev_week next_week @@ -3446,8 +3463,10 @@ ago since (in) beginning_of_day (midnight, at_midnight, at_beginning_of_day) end_of_day -beginning_of_week (monday, at_beginning_of_week) -end_on_week (at_end_of_week) +beginning_of_week (at_beginning_of_week) +end_of_week (at_end_of_week) +monday +sunday weeks_ago prev_week next_week |