Map.put: def of Base
Import: import Base
Lines 2752-2759 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=2752&end_line=2759

import Base

def Map.put(-a: Quant, -V: Kind(a), m: Map<a, V>, key: String, x: V) -> Map<a, V>:
  match m:
    case MTip{}:
      MLeaf{key, x}
    case MLeaf{k, v}:
      MLeaf{k, x}
    case MNode{+pos, lo, hi}:
      Map.put.go(a, V, MNode{pos, lo, hi}, x, Map.bit(key, pos))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map.bit
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map.put.go
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String