Ensure "noreturn" callbacks work for asyncAwait. Fixes #299.

Just adds a matching unit test.
vibe-d · Aug 2, 2024 · dfa6bc1 · dfa6bc1
1 parent bfab44b
commit dfa6bc1
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/source/vibe/internal/async.d b/source/vibe/internal/async.d
@@ -257,3 +257,13 @@ private template hasAnyScopeParameter(Callback) {
 	static if (SC.length == 0) enum hasAnyScopeParameter = false;
 	else enum hasAnyScopeParameter = any!(c => c & ParameterStorageClass.scope_)([SC]);
 }
+
+static if (is(noreturn)) // issue 299, requires newer host compilers
+version (unittest) {
+	alias CB = noreturn delegate(int) @safe nothrow;
+	alias wait   = delegate noreturn(_)    => assert(0);
+	alias cancel = delegate noreturn(_, x) => assert(0);
+	alias done   = delegate noreturn(_)    => assert(0);
+	alias w = Waitable!(CB, wait, cancel, done);
+	static assert (__traits(compiles, { asyncAwaitAny!(false, w); }));
+}