def boundary_step

bendvy-ecs-core@0.1.0.3 · execution_deferred_plan.bend:96

import Base

96def boundary_step(before:U32,after:U32,from:Position,to:Position,target:Node,explicitNodes:List<&2,Explicit>,+rest:List<&2,Boundary>) -> List<&2,Boundary>:
97  match from to target:
98    case Position{_,distance,_} Position{_,+next,_} Node{_,_,isExplicit,_,_}:Bool.pick(List<&2,Boundary>,Bool.or(Nat.is_eq(distance,next),isExplicit),rest,Boundary{before,after,next,reuse(explicitNodes,next)} <> rest)