Cbor.bstr.valid: def of bend-kit-cbor@0.3.0.0
Import: import bend-kit-cbor@0.3.0.0/cbor.bend as Cbor
Lines 515-520 of bend-kit-cbor@0.3.0.0/cbor.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-cbor@0.3.0.0/cbor.bend&start_line=515&end_line=520

import Base

def bstr.valid(text: Bool, a: Array<U32>, +i: U32, +end: U32) -> Array<U32> & Bool:
  match text:
    case True{}:
      utf8.check(a, i, end)
    case False{}:
      (a, True{})

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-kit-cbor@0.3.0.0/cbor.bend&name=utf8.check