parameter-matching.cpp
2.27 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
// Check for template type parameter pack (mis-)matches with template
// type parameters.
template<typename ...T> struct X0t;
template<typename ...T> struct X0t;
template<typename ...T> struct X1t; // expected-note{{previous template type parameter pack declared here}}
template<typename T> struct X1t; // expected-error{{template type parameter conflicts with previous template type parameter pack}}
template<typename T> struct X2t; // expected-note{{previous template type parameter declared here}}
template<typename ...T> struct X2t; // expected-error{{template type parameter pack conflicts with previous template type parameter}}
template<template<typename ...T> class> struct X0t_intt;
template<template<typename ...T> class> struct X0t_intt;
template<template<typename ...T> class> struct X1t_intt; // expected-note{{previous template type parameter pack declared here}}
template<template<typename T> class> struct X1t_intt; // expected-error{{template type parameter conflicts with previous template type parameter pack}}
template<template<typename T> class> struct X2t_intt; // expected-note{{previous template type parameter declared here}}
template<template<typename ...T> class> struct X2t_intt; // expected-error{{template type parameter pack conflicts with previous template type parameter}}
template<int ...Values> struct X1nt; // expected-note{{previous non-type template parameter pack declared here}}
template<int Values> struct X1nt; // expected-error{{non-type template parameter conflicts with previous non-type template parameter pack}}
template<template<class T> class> class X1tt; // expected-note{{previous template template parameter declared here}}
template<template<class T> class...> class X1tt; // expected-error{{template template parameter pack conflicts with previous template template parameter}}
// Check for matching with out-of-line definitions
namespace rdar8859985 {
template<typename ...> struct tuple { };
template<int ...> struct int_tuple { };
template<typename T>
struct X {
template<typename ...Args1, int ...Indices1>
X(tuple<Args1...>, int_tuple<Indices1...>);
};
template<typename T>
template<typename ...Args1, int ...Indices1>
X<T>::X(tuple<Args1...>, int_tuple<Indices1...>) {}
}