Cli.head_nat: def of cli@0.2.0.0
Import: import cli@0.2.0.0/cli.bend as Cli
Lines 5677-5680 of cli@0.2.0.0/cli.bend: https://jend.leeeet.dev/read.txt?path=cli@0.2.0.0/cli.bend&start_line=5677&end_line=5680

import Base

def head_nat(xs: List<&2, Nat>) -> Nat:
  match xs:
    case Nil{}: 0n
    case head <> tail: head

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat