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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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// { dg-do compile { target c++17_only } }
// { dg-options "-fconcepts" }

template<typename T1, typename T2>
concept bool C1 = true;

template<typename T1, typename T2, typename T3>
concept bool C2 = true;


template<C1 T> // { dg-error "wrong number of template arguments" }
constexpr bool f1( )  { return true; }

template<C2<int> T> // { dg-error "wrong number of template arguments" }
constexpr bool f2( )  { return true; }