def at
import bolt@1.27.0.0/src/rules/suspicious/prefix.bend as Prefiximport Base
import bolt@1.27.0.0/src/syntax/lex.bend as Lex
263# a token of kind k0 and text t0, then these: either shape? what the finding
264# says when they make one
265def at(+k0: Lex.TokKind, +t0: String, +toks: List<&2, Lex.Tok>) -> Maybe<&2, String>:
266 either(at_a(k0, t0, toks), at_b(k0, t0, toks))