Calls.type_head.go: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/calls.bend as Calls
Lines 216-232 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=216&end_line=232

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

# the head of a parameter's type: the first capitalized name after the
# colon, "" for none; hit: a name before pp was it, so the search stops there
def type_head.go(pp: Tree.Node, +after: Bool, hit: Maybe<&2, String>) -> String:
  match pp:
    case Tree.NCons{+h, rest}:
      match hit:
        case Some{s}:
          s
        case None{}:
          type_head.go(rest, Bool.or(after, kind.leaf(~kind.colon, h)),
            Bool.pick(Maybe<&2, String>, Bool.and(after, kind.leaf(~kind.upper, h)), Some{leaf.text(h)}, None{}))
    case other:
      match hit:
        case Some{s}:
          s
        case None{}:
          ""

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  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
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/calls.bend&name=kind.colon
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/calls.bend&name=kind.leaf
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/calls.bend&name=kind.upper
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/calls.bend&name=leaf.text
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node