def check

qasim-bend-kit@0.1.0.2 · usage/JSON_SafeTest.bend:4

import Base

4def check(ok: Bool, label: String) -> IO(Unit):
5    match ok:
6        case True{}:
7            IO.pure(Unit, Unit{})
8        case False{}:
9            IO.die(Unit, 1, "JSON test failed: " ++ label)