diff options
| -rw-r--r-- | activesupport/lib/active_support/time_with_zone.rb | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb index 7e71318404..fb6956f64f 100644 --- a/activesupport/lib/active_support/time_with_zone.rb +++ b/activesupport/lib/active_support/time_with_zone.rb @@ -286,8 +286,10 @@ module ActiveSupport alias_method :since, :+ alias_method :in, :+ - # Returns a new TimeWithZone object that represents the difference between - # the current object's time and the +other+ time. + # Subtracts an interval of time and returns a new TimeWithZone object unless + # the other value `acts_like?` time. Then it will return a Float of the difference + # between the two times that represents the difference between the current + # object's time and the +other+ time. # # Time.zone = 'Eastern Time (US & Canada)' # => 'Eastern Time (US & Canada)' # now = Time.zone.now # => Mon, 03 Nov 2014 00:26:28 EST -05:00 @@ -302,6 +304,12 @@ module ActiveSupport # # now - 24.hours # => Sun, 02 Nov 2014 01:26:28 EDT -04:00 # now - 1.day # => Sun, 02 Nov 2014 00:26:28 EDT -04:00 + # + # If both the TimeWithZone object and the other value act like Time, a Float + # will be returned. + # + # Time.zone.now - 1.day.ago # => 86399.999967 + # def -(other) if other.acts_like?(:time) to_time - other.to_time |