def lone

bolt@1.27.0.0 · src/rules/suspicious/concat.bend:42

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

42# a chain that is exactly one lowercase name: its token
43def lone(nn: Tree.Node) -> Maybe<&2, Lex.Tok>:
44  match nn:
45    case Tree.NCons{h, Tree.NNil{}}:
46      lone.name(h)
47    case other:
48      None{}