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def selected_age

bendvy-ecs-core@0.1.0.3 · lifecycle.bend:56

import bendvy-ecs-core@0.1.0.3/lifecycle.bend as Lifecycle
import Base
import bendvy-ecs-core@0.1.0.3/change_tick.bend as Tick

56# Presence is explicit: wrapped tick zero is a valid component timestamp.
57def selected_age(+stamp:Tick.Tick,cursor:Maybe<&2,Tick.Tick>,+this:Tick.Tick) -> Bool:
58  match cursor:
59    case None{}:Bool.and(Tick.not_future(stamp,this),U32.is_lt(Tick.age(stamp,this),Tick.max_change_age()))
60    case Some{last}:Tick.newer(stamp,last,this)

Uses (9)

Used by (1)