World.handle_index: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/world.bend as World
Lines 105-109 of bendvy-ecs-core@0.1.0.3/world.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/world.bend&start_line=105&end_line=109

import Base
import entity_key.bend as K

# Extract only the slot index for trusted storage adapters. Generation and World
# namespace are omitted; this projection must not replace handle validation.
def handle_index(~S:Data,handle:Handle<S>) -> U32:
  match handle:
    case Handle{_,key}:K.index(key)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/entity_key.bend&name=index
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/world.bend&name=Handle