def close.str

bolt@1.27.0.0 · src/rules/suspicious/empty.bend:178

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

178# a String.length's argument: a plain name and `)`, then the tokens after
179def close.str(toks: List<&2, Lex.Tok>) -> Maybe<&2, Taken>:
180  match toks:
181    case Con{Lex.Tok{+k1, +t1, l1, c1}, Con{Lex.Tok{k2, +t2, l2, c2}, rest}}:
182      Bool.pick(Maybe<&2, Taken>, Bool.and(plain(k1), String.eq(code(k2, t2), ")")), Some{Taken{code(k1, t1), rest}},
183        None{})
184    case other:
185      None{}