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Test template instantiation of pack expansions where the parameter pack is in a nested-name-specifier 

llvm-svn: 122282
This commit is contained in:
Douglas Gregor 2010-12-20 22:46:22 +00:00
parent 7f73489c3f
commit 9a9116ec8d
1 changed files with 16 additions and 3 deletions
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19
clang/test/CXX/temp/temp.decls/temp.variadic/p4.cpp
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@ -1,15 +1,28 @@
// RUN: %clang_cc1 -std=c++0x -fsyntax-only -verify %s
template<typename... Types> struct Tuple;
template<typename... Types> struct tuple;
// FIXME: Many more bullets to go
// In a template-argument-list (14.3); the pattern is a template-argument.
template<typename ...Types>
struct tuple_of_refs {
typedef Tuple<Types& ...> types;
typedef tuple<Types& ...> types;
};
Tuple<int&, float&> *t_int_ref_float_ref;
tuple<int&, float&> *t_int_ref_float_ref;
tuple_of_refs<int&, float&>::types *t_int_ref_float_ref_2 = t_int_ref_float_ref;
template<typename ...Types>
struct extract_nested_types {
typedef tuple<typename Types::type...> types;
};
template<typename T>
struct identity {
typedef T type;
};
tuple<int, float> *t_int_float;
extract_nested_types<identity<int>, identity<float> >::types *t_int_float_2
= t_int_float;