ChangeTick.Tick: type of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/change_tick.bend as ChangeTick
Lines 3-7 of bendvy-ecs-core@0.1.0.3/change_tick.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/change_tick.bend&start_line=3&end_line=7

import Base

# Logical change timestamp. low wraps modulo 2^32; epoch preserves the history
# needed to age dormant components/readers across low wraps within runtime limits.
# Raw constructors are trusted: execution must not supply future stamps/cursors.
type Tick is Data:
  Tick{epoch:Nat,low:U32}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32