46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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template<typename T> using U = T;
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using I = U<U<U<U<int>>>>;
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using I = int;
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template<typename A, typename B> using Fst = A;
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template<typename A, typename B> using Snd = B;
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using I = Fst<Snd<char,int>,double>;
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namespace StdExample {
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// Prerequisites for example.
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template<class T, class A> struct vector { /* ... */ };
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template<class T> struct Alloc {};
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template<class T> using Vec = vector<T, Alloc<T>>;
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Vec<int> v;
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template<class T>
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void process(Vec<T>& v) // expected-note {{previous definition is here}}
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{ /* ... */ }
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template<class T>
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void process(vector<T, Alloc<T>>& w) // expected-error {{redefinition of 'process'}}
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{ /* ... */ }
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template<template<class> class TT>
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void f(TT<int>); // expected-note {{candidate template ignored}}
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template<template<class,class> class TT>
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void g(TT<int, Alloc<int>>);
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int h() {
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f(v); // expected-error {{no matching function for call to 'f'}}
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g(v); // OK: TT = vector
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}
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// v's type is same as vector<int, Alloc<int>>.
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using VTest = vector<int, Alloc<int>>;
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using VTest = decltype(v);
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}
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