Use demand.assertNonZero() in PassthroughSubject (#108)

2019-11-24 18:44:14 +00:00
parent 7b3ceae666
commit 130125cb66
1 changed files with 1 additions and 1 deletions
@@ -120,7 +120,7 @@ extension PassthroughSubject {
        }

        fileprivate func request(_ demand: Subscribers.Demand) {
-            precondition(demand > 0, "demand must not be zero")
+            demand.assertNonZero()
            _parent?._lock.do {
                _demand += demand
            }