Rewalk.as_call: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/pedantic/rewalk.bend as Rewalk
Lines 163-171 of bolt@1.27.0.0/src/rules/pedantic/rewalk.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/pedantic/rewalk.bend&start_line=163&end_line=171

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 chain is exactly one call, or one pair of parentheses around one: its callee
def as_call(nn: Tree.Node) -> Maybe<&2, Lex.Tok>:
  match nn:
    case Tree.NCons{Tree.Group{Lex.Tok{k, +o, l, c}, +kids, close}, Tree.NNil{}}:
      as_wrapped(String.eq(o, "("), kids)
    case Tree.NCons{Tree.Leaf{tok}, Tree.NCons{Tree.Group{Lex.Tok{k, +o, l, c}, kids, close}, Tree.NNil{}}}:
      as_open(String.eq(o, "("), tok)
    case other:
      None{}

Uses (6):
  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/rules/pedantic/rewalk.bend&name=as_open
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/pedantic/rewalk.bend&name=as_wrapped
  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