def duplicates

bendvy-ecs-core@0.1.0.3 · feature.bend:64

import bendvy-ecs-core@0.1.0.3/feature.bend as Feature

import Base

64def duplicates(items:List<&2,String>,+seen:List<&2,String>) -> Validation:
65  match items:
66    case []: Valid{}
67    case +name <> rest: repeated(contains(seen,name),name,_ => duplicates(rest,name <> seen))

Uses (5)

Used by (1)

bendvy-ecs-core@0.1.0.3/feature:validate