EntityAllocator.count_free: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/entity_allocator.bend as EntityAllocator
Lines 158-161 of bendvy-ecs-core@0.1.0.3/entity_allocator.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/entity_allocator.bend&start_line=158&end_line=161

import Base

def count_free(keys:List<&2,U32>) -> Nat:
  match keys:
    case []:0n
    case _ <> rest:1n+count_free(rest)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32