| //===-- main.cpp ------------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| #include <tuple> |
| |
| template <int Arg> |
| class TestObj |
| { |
| public: |
| int getArg() |
| { |
| return Arg; |
| } |
| }; |
| |
| //---------------------------------------------------------------------- |
| // Define a template class that we can specialize with an enumeration |
| //---------------------------------------------------------------------- |
| enum class EnumType |
| { |
| Member, |
| Subclass |
| }; |
| |
| template <EnumType Arg> class EnumTemplate; |
| |
| //---------------------------------------------------------------------- |
| // Specialization for use when "Arg" is "EnumType::Member" |
| //---------------------------------------------------------------------- |
| template <> |
| class EnumTemplate<EnumType::Member> |
| { |
| public: |
| EnumTemplate(int m) : |
| m_member(m) |
| { |
| } |
| |
| int getMember() const |
| { |
| return m_member; |
| } |
| |
| protected: |
| int m_member; |
| }; |
| |
| //---------------------------------------------------------------------- |
| // Specialization for use when "Arg" is "EnumType::Subclass" |
| //---------------------------------------------------------------------- |
| template <> |
| class EnumTemplate<EnumType::Subclass> : |
| public EnumTemplate<EnumType::Member> |
| { |
| public: |
| EnumTemplate(int m) : EnumTemplate<EnumType::Member>(m) |
| { |
| } |
| }; |
| |
| template <typename FLOAT> struct T1 { FLOAT f = 1.5; }; |
| template <typename FLOAT> struct T2 { FLOAT f = 2.5; int i = 42; }; |
| template <typename FLOAT, template <typename> class ...Args> class C { std::tuple<Args<FLOAT>...> V; }; |
| |
| int main(int argc, char **argv) |
| { |
| TestObj<1> testpos; |
| TestObj<-1> testneg; |
| EnumTemplate<EnumType::Member> member(123); |
| EnumTemplate<EnumType::Subclass> subclass(123*2); |
| C<float, T1> c1; |
| C<double, T1, T2> c2; |
| return testpos.getArg() - testneg.getArg() + member.getMember()*2 - subclass.getMember(); // Breakpoint 1 |
| } |