Calls.walked: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/calls.bend as Calls
Lines 251-253 of bolt@1.27.0.0/src/rules/calls.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/calls.bend&start_line=251&end_line=253

import Base
import bolt@1.27.0.0/src/syntax/tree.bend as Tree

# the type head of the first live parameter: the one a self-call must shrink
def walked(sig: Tree.Node) -> String:
  walked.go(params(sig), None{})

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/calls.bend&name=params
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/calls.bend&name=walked.go
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node