Refinement.get_retained: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/storage/refinement.bend as Refinement
Lines 276-281 of bendtorch-core@0.1.0.0/src/storage/refinement.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/storage/refinement.bend&start_line=276&end_line=281

import Base

def get_retained(-T: Data, -d: Nat, -original: Array<T>, -i: U32,
  cert: GetFull<T, d, original, i>) -> {first(T, Array.get(T, original, i)) == original : Array<T>}:
  match cert:
    case GetFull{array, value, equal, kept, observed, valid}:
      %equal : {first(T, _) == original : Array<T>}
      kept

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=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/refinement.bend&name=GetFull
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/refinement.bend&name=first