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Add support for std::array

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This commit is contained in:
Peter Dimov
2021-09-29 21:02:39 +03:00
parent a039f8c318
commit 91a64b3bcf
2 changed files with 31 additions and 3 deletions
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24
include/boost/core/type_name.hpp
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@ -131,6 +131,11 @@ template<class T> std::string map_template_name()
return class_template_name<T>();
}
template<class T> std::string array_template_name()
{
return class_template_name<T>();
}
#else // #if !defined(BOOST_NO_TYPEID)
template<class T> std::string typeid_name()
@ -158,6 +163,11 @@ template<class T> std::string map_template_name()
return "_Mp";
}
template<class T> std::string array_template_name()
{
return "_Ar";
}
#endif
// tn_to_string
@ -167,10 +177,10 @@ template<class T> std::string map_template_name()
# pragma warning( disable: 4996 )
#endif
inline std::string tn_to_string( unsigned long n )
inline std::string tn_to_string( std::size_t n )
{
char buffer[ 32 ];
std::sprintf( buffer, "%lu", n );
std::sprintf( buffer, "%lu", static_cast< unsigned long >( n ) );
return buffer;
}
@ -351,7 +361,7 @@ template<class T, std::size_t N> std::pair<std::string, std::string> array_prefi
{
std::pair<std::string, std::string> r = array_prefix_suffix( tn_identity<T>() );
r.second = '[' + tn_to_string( static_cast<unsigned long>( N ) ) + ']' + r.second;
r.second = '[' + tn_to_string( N ) + ']' + r.second;
return r;
}
@ -530,6 +540,14 @@ template<template<class T, class U, class H, class Eq, class A> class L, class T
#endif
// array
template<template<class T, std::size_t N> class L, class T, std::size_t N> std::string type_name( tn_identity< L<T, N> > )
{
std::string tn = array_template_name< L<T, N> >();
return tn + '<' + type_name( tn_identity<T>() ) + ", " + tn_to_string( N ) + '>';
}
} // namespace detail
template<class T> std::string type_name()

10
test/type_name_test.cpp
View File

@ -22,6 +22,10 @@
# include <unordered_map>
#endif
#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
# include <array>
#endif
//
#define TEST(...) BOOST_TEST_EQ((boost::core::type_name<__VA_ARGS__>()), std::string(#__VA_ARGS__))
@ -149,5 +153,11 @@ int main()
#endif
#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
TEST(std::array<std::string, 7>);
TEST(std::array<std::wstring const*, 0> const&);
#endif
return boost::report_errors();
}