76 lines
1.8 KiB
Plaintext
76 lines
1.8 KiB
Plaintext
import io;
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typedef NoTraits {};
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typedef Trait1 (FirstTrait) {};
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typedef Trait2 (SecondTrait) {};
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typedef TwoTrait (FirstTrait, SecondTrait) {};
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typedef AlreadySpecilized (FirstTrait, SecondTrait) {};
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template <T> void OneTwoFunc(T obj) {
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println("No Traits");
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}
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template <T(FirstTrait)> void OneTwoFunc(T obj) {
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println("First Trait");
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}
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template <T(SecondTrait)> void OneTwoFunc(T obj) {
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println("Second Trait");
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}
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template <T(FirstTrait, SecondTrait)> void OneTwoFunc(T obj) {
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println("Both Traits");
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}
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/*
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template <AlreadySpecilized> void OneTwoFunc(AlreadySpecilized obj) {
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println("Already Specilized");
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}
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*/
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//This should work for objects too!
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//To test, we cycle the mapping of traits
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typedef template<T> OneTwoObj (FirstTrait) {};
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typedef template<T(FirstTrait)> OneTwoObj (SecondTrait) {};
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typedef template<T(SecondTrait)> OneTwoObj (FirstTrait, SecondTrait) {};
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typedef template<T(FirstTrait, SecondTrait)> OneTwoObj {};
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/*
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*typedef template<AlreadySpecilized> OneTwoObj {
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* void proveSpecilized() {
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* println("I'm specilized!");
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* }
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*};
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*/
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int main() {
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NoTraits a;
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Trait1 b;
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Trait2 c;
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TwoTrait d;
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AlreadySpecilized e;
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OneTwoFunc<NoTraits>(a);
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OneTwoFunc<Trait1>(b);
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OneTwoFunc<Trait2>(c);
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OneTwoFunc<TwoTrait>(d);
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// OneTwoFunc<AlreadySpecilized>(e);
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println();
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OneTwoObj<NoTraits> alpha;
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OneTwoObj<Trait1> beta;
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OneTwoObj<Trait2> gamma;
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OneTwoObj<TwoTrait> delta;
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// OneTwoObj<AlreadySpecilized> epsilon;
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OneTwoFunc<OneTwoObj<NoTraits>>(alpha);
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OneTwoFunc<OneTwoObj<Trait1>>(beta);
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OneTwoFunc<OneTwoObj<Trait2>>(gamma);
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OneTwoFunc<OneTwoObj<TwoTrait>>(delta);
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//We can't pass along our inner part, so let's just make sure that it is the right object.
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//epsilon.proveSpecilized();
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return 0;
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}
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