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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [testsuite/] [g++.dg/] [cpp0x/] [variadic20.C] - Rev 516
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// { dg-options "-std=gnu++0x" }
template<typename T> struct add_pointer;
template<typename T> struct add_reference;
template<template<class T> class... Metafunctions>
struct metatuple {
static const int value = 0;
};
template<>
struct metatuple<add_pointer> {
static const int value = 1;
};
template<template<class T> class Meta>
struct metatuple<Meta, Meta> { // { dg-error "candidates" }
static const int value = 2;
};
template<template<class T> class... Metafunctions>
struct metatuple<add_pointer, Metafunctions...> { // { dg-error "" }
static const int value = 3;
};
template<template<class T> class First,
template<class T> class... Metafunctions>
struct metatuple<First, Metafunctions...> { // { dg-error "struct" }
static const int value = 4;
};
template<template<class T> class First,
template<class T> class Second,
template<class T> class... Metafunctions>
struct metatuple<First, Second, Metafunctions...> { // { dg-error "struct" }
static const int value = 5;
};
int a0[metatuple<>::value == 0? 1 : -1];
int a1[metatuple<add_pointer>::value == 1? 1 : -1];
int a2a[metatuple<add_pointer, add_pointer>::value == 2? 1 : -1]; // { dg-error "ambiguous" }
int a2b[metatuple<add_reference, add_reference>::value == 2? 1 : -1];
int a3[metatuple<add_pointer, add_reference>::value == 3? 1 : -1]; // { dg-error "ambiguous" }
int a4[metatuple<add_reference>::value == 4? 1 : -1];
int a5[metatuple<add_reference, add_pointer>::value == 5? 1 : -1];
// { dg-error "incomplete" "" { target *-*-* } 40 }
// { dg-error "incomplete" "" { target *-*-* } 42 }