Map.set.go: def of Base
Import: import Base
Lines 2865-2874 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=2865&end_line=2874

import Base

def Map.set.go(
  a, -V: Kind(a), x: V, r: Map<a, V> & String & Maybe<&2, String>
) -> Map<a, V>:
  (m2, key2, found) = r
  match found:
    case None{}:
      MLeaf{key2, x}
    case Some{k}:
      +ka = {key2 : String}
      Map.set.fin(a, V, m2, ka, x, ka, k)

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map.set.fin
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  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=String