Music.Time.Duration

Documentation

module Music.Time.Transform

The HasDuration class

class HasDuration a where

Class of values that have a duration.

Law Duration

_duration x = (offset x .-. onset x)

Minimal complete definition

Nothing

Methods

_duration :: a -> Duration

Instances

HasDuration Span

HasDuration Duration

(HasPosition a, HasDuration a) => HasDuration [a]

HasDuration a => HasDuration (Sum a)

HasDuration a => HasDuration (Product a)

HasDuration a => HasDuration (Min a)

HasDuration a => HasDuration (Max a)

(HasPosition a, HasDuration a) => HasDuration (Bound a)

HasDuration (Note a)

HasDuration (Voice a)

HasDuration a => HasDuration (AddMeta a)

HasDuration (Event a)

HasDuration (Score a)

HasDuration v => HasDuration (Aligned v)

HasDuration (Rhythm a)

(HasDuration a, HasDuration b) => HasDuration (Either a b)

HasDuration a => HasDuration (a, b)

HasDuration b => HasDuration (a, b, c)

Absolute duration

duration :: (Transformable a, HasDuration a) => Lens' a Duration

Access the duration.

stretchTo :: (Transformable a, HasDuration a) => Duration -> a -> a

Stretch a value to have the given duration.