-- Hotfix (WO-E209): `now` takes zero arguments -- (docs/plan/oop-vm/08-builtin-surface.md's `now()` row) -- this -- exercises the wrong-arity half of the same diagnostic, caught at -- typecheck time. Arity mismatches were already caught later, at -- emission (`WO-E403`, `emit.ml`) -- that check stays as-is; this is an -- earlier, additional gate over the same contract, not a replacement. fn main() { now(1) }