Calls.params.of.go: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/calls.bend as Calls
Lines 139-160 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=139&end_line=160

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

# the kids of a signature's first `(` group: the parameters; hit: a group
# before sig was one, so the search stops there
def params.of.go(sig: Tree.Node, hit: Maybe<&2, Tree.Node>) -> Tree.Node:
  match sig:
    case Tree.NCons{Tree.Group{Lex.Tok{k, +o, l, c}, kids, close}, rest}:
      match hit:
        case Some{x}:
          x
        case None{}:
          params.of.go(rest, Bool.pick(Maybe<&2, Tree.Node>, String.eq(o, "("), Some{kids}, None{}))
    case Tree.NCons{h, rest}:
      match hit:
        case Some{x}:
          x
        case None{}:
          params.of.go(rest, None{})
    case other:
      match hit:
        case Some{x}:
          x
        case None{}:
          Tree.NNil{}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/lex.bend&name=Tok
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node