Class: ActiveSupport::Duration

Class | ActiveSupport::Duration
In: | lib/active_support/duration.rb
Parent: | BasicObject

Provides accurate date and time measurements using Date#advance and Time#advance, respectively. It mainly supports the methods on Numeric, such as in this example:

      1.month.ago       # equivalent to Time.now.advance(:months => -1)

### Methods

+ - == ago from_now since until

### Attributes

parts | [RW] |
value | [RW] |

### Public Instance methods

+(other)

Adds another Duration or a Numeric to this Duration. Numeric values are treated as seconds.

-(other)

Subtracts another Duration or a Numeric from this Duration. Numeric values are treated as seconds.

==(other)

Returns true if `other` is also a Duration instance with the same `value`, or if `other == value`.

ago(time = ::Time.current)

Calculates a new Time or Date that is as far in the past as this Duration represents.

from_now(time = ::Time.current)

Alias for since

since(time = ::Time.current)

Calculates a new Time or Date that is as far in the future as this Duration represents.

until(time = ::Time.current)

Alias for ago

[Validate]