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C++17 non-type template parameters with auto #1212

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Aug 24, 2017
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C++17 non-type template parameters with auto #1212

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17 changes: 17 additions & 0 deletions cxx-squid/src/test/resources/parser/own/C++17/non-type-template-parameters-auto.cc
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Original file line number Diff line number Diff line change
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template<auto n> struct B { /* ... */ };
B<5> b1; // OK: template parameter type is int
B<'a'> b2; // OK: template parameter type is char

template <auto v> class Y { };
template <auto* p> class Y<p> { };
template <auto** pp> class Y<pp> { };

template <auto* p0> void g(Y<p0>);
template <auto** pp0> void g(Y<pp0>);

template <auto value> constexpr auto TConstant = value;
constexpr auto const MySuperConst = TConstant <100>;

// example of heterogeneous compile time list
template <auto ... vs> struct HeterogenousValueList {};
using MyList = HeterogenousValueList<'a', 100, 'b'>;