- Improve error message for Foo{} when Foo is not a generic type #2574.

test/test_suite/generic/generic_no_arg.c3

@@ -0,0 +1,30 @@
+module foo;
+import std, bar;
+struct Foo
+{
+	int i;
+}
+fn void foo(Foo f) {}
+
+fn void a()
+{
+	List{} a; // #error: must be instantiatied with generic module arguments
+}
+fn void b()
+{
+	foo(Foo{}); // #error: 'Foo' is not a generic type
+}
+fn void c()
+{
+	bar::test{}(); // #error: must be instantiatied with generic module arguments
+}
+
+fn int main()
+{
+
+	return 0;
+}
+
+module bar{Type};
+fn void test()
+{}

test/test_suite/generic/generic_no_params.c3

@@ -17,12 +17,12 @@ import std::collections::list;
 
 fn void test1()
 {
-	int x = values::test{}(); // #error: At least one generic parameter
+	int x = values::test{}(); // #error: must be instantiatied with generic
 }
 
 fn void test2()
 {
-	List{Values{ }} v1s; // #error: At least one generic parameter
+	List{Values{ }} v1s; // #error: must be instantiatied with generic
 }
 
 fn void main()