def Key.is
import bend-kit-migrate@0.3.0.0/migrate.bend as Migrateimport Base
268def Key.is(k: Key, +t: Tag, rest: Maybe<&2, Key>) -> Maybe<&2, Key>:
269 +k = k
270 Bool.pick(Maybe<&2, Key>, Tag.eq(Key.tag(k), t), Some{k}, rest)
import bend-kit-migrate@0.3.0.0/migrate.bend as Migrateimport Base
268def Key.is(k: Key, +t: Tag, rest: Maybe<&2, Key>) -> Maybe<&2, Key>:
269 +k = k
270 Bool.pick(Maybe<&2, Key>, Tag.eq(Key.tag(k), t), Some{k}, rest)