Created
July 29, 2020 08:32
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Derived class implement multi base function with same name but different type
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| #include <bits/stdc++.h> | |
| struct A1 { | |
| virtual void a1() = 0; | |
| }; | |
| struct A2 { | |
| virtual void a2() = 0; | |
| }; | |
| struct A : public A1, A2 { | |
| void a1() {} | |
| void a2() {} | |
| }; | |
| template <typename T> | |
| struct B1 { | |
| virtual T b1() = 0; | |
| }; | |
| template <typename T> | |
| struct B2 { | |
| virtual T b2() = 0; | |
| }; | |
| template <typename T> | |
| struct B : public B1<T>, B2<T> { | |
| T b1() {} | |
| T b2() {} | |
| }; | |
| template <typename T, typename = std::enable_if_t<std::is_base_of<A1, T>::value>> | |
| struct C1 { | |
| virtual B1<T*>* c() = 0; | |
| }; | |
| template <typename T, typename = std::enable_if_t<std::is_base_of<A2, T>::value>> | |
| struct C2 { | |
| virtual B2<T*>* c() = 0; | |
| }; | |
| struct C : public C1<A>, C2<A> { | |
| B<A*>* c() {} | |
| }; |
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