External/json
8
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #324 from vpetrigo/has_mapped_improve

Browse Source 
make has_mapped_type struct friendly
This commit is contained in:
Niels Lohmann 2016-10-12 21:59:56 +02:00 committed by GitHub
commit bb9d87ad55
2 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/json.hpp
View File

@ -113,10 +113,13 @@ template<typename T>
struct has_mapped_type
{
private:
template<typename C> static char test(typename C::mapped_type*);
template<typename C> static char (&test(...))[2];
template <typename U, typename = typename U::mapped_type>
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = sizeof(test<T>(0)) == 1;
static constexpr bool value =
std::is_integral<decltype(detect(std::declval<T>()))>::value;
};
/*!

9
src/json.hpp.re2c
View File

@ -113,10 +113,13 @@ template<typename T>
struct has_mapped_type
{
private:
template<typename C> static char test(typename C::mapped_type*);
template<typename C> static char (&test(...))[2];
template <typename U, typename = typename U::mapped_type>
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = sizeof(test<T>(0)) == 1;
static constexpr bool value =
std::is_integral<decltype(detect(std::declval<T>()))>::value;
};
/*!