One thing to keep in mind in any proposed solution: CLR allows
overloading a ref/out param against a non-ref/out param.
class Test
{
static void m(int x) { ... }
static void m(ref int x) { ... }
}
So not just result handling is needed, but also interop calls
themselves sometimes need a hint:
(Test/m a) // which method is being called?
Overloading a ref and an out together is not allowed:
class TestBad
{
static void m(ref int x) { ... }
static void m(out int x) { ... } // will yield a compiler error
}
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