🚨 fixed a compiler warning #1224

pull/1230/head
Niels Lohmann 2018-09-06 07:25:19 +02:00
parent d713727f22
commit eb30ff0615
No known key found for this signature in database
GPG Key ID: 7F3CEA63AE251B69
4 changed files with 4 additions and 17 deletions

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@ -191,7 +191,10 @@ pedantic_gcc:
-Wunused-macros \
-Wunused-parameter \
-Wuseless-cast \
-Wvariadic-macros"
-Wvariadic-macros \
-Wctor-dtor-privacy \
-Winit-self \
-Wstrict-null-sentinel"
##########################################################################
# benchmarks

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@ -115,11 +115,9 @@ contains a `mapped_type`, whereas `std::vector` fails the test.
*/
#define NLOHMANN_JSON_HAS_HELPER(type) \
template<typename T> struct has_##type { \
private: \
template<typename U, typename = typename U::type> \
static int detect(U &&); \
static void detect(...); \
public: \
static constexpr bool value = \
std::is_integral<decltype(detect(std::declval<T>()))>::value; \
}

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@ -141,14 +141,12 @@ struct is_compatible_integer_type
template<typename BasicJsonType, typename T>
struct has_from_json
{
private:
// also check the return type of from_json
template<typename U, typename = enable_if_t<std::is_same<void, decltype(uncvref_t<U>::from_json(
std::declval<BasicJsonType>(), std::declval<T&>()))>::value>>
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = std::is_integral<decltype(
detect(std::declval<typename BasicJsonType::template json_serializer<T, void>>()))>::value;
};
@ -158,7 +156,6 @@ struct has_from_json
template<typename BasicJsonType, typename T>
struct has_non_default_from_json
{
private:
template <
typename U,
typename = enable_if_t<std::is_same<
@ -166,7 +163,6 @@ struct has_non_default_from_json
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = std::is_integral<decltype(detect(
std::declval<typename BasicJsonType::template json_serializer<T, void>>()))>::value;
};
@ -175,13 +171,11 @@ struct has_non_default_from_json
template<typename BasicJsonType, typename T>
struct has_to_json
{
private:
template<typename U, typename = decltype(uncvref_t<U>::to_json(
std::declval<BasicJsonType&>(), std::declval<T>()))>
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = std::is_integral<decltype(detect(
std::declval<typename BasicJsonType::template json_serializer<T, void>>()))>::value;
};

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@ -230,11 +230,9 @@ contains a `mapped_type`, whereas `std::vector` fails the test.
*/
#define NLOHMANN_JSON_HAS_HELPER(type) \
template<typename T> struct has_##type { \
private: \
template<typename U, typename = typename U::type> \
static int detect(U &&); \
static void detect(...); \
public: \
static constexpr bool value = \
std::is_integral<decltype(detect(std::declval<T>()))>::value; \
}
@ -471,14 +469,12 @@ struct is_compatible_integer_type
template<typename BasicJsonType, typename T>
struct has_from_json
{
private:
// also check the return type of from_json
template<typename U, typename = enable_if_t<std::is_same<void, decltype(uncvref_t<U>::from_json(
std::declval<BasicJsonType>(), std::declval<T&>()))>::value>>
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = std::is_integral<decltype(
detect(std::declval<typename BasicJsonType::template json_serializer<T, void>>()))>::value;
};
@ -488,7 +484,6 @@ struct has_from_json
template<typename BasicJsonType, typename T>
struct has_non_default_from_json
{
private:
template <
typename U,
typename = enable_if_t<std::is_same<
@ -496,7 +491,6 @@ struct has_non_default_from_json
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = std::is_integral<decltype(detect(
std::declval<typename BasicJsonType::template json_serializer<T, void>>()))>::value;
};
@ -505,13 +499,11 @@ struct has_non_default_from_json
template<typename BasicJsonType, typename T>
struct has_to_json
{
private:
template<typename U, typename = decltype(uncvref_t<U>::to_json(
std::declval<BasicJsonType&>(), std::declval<T>()))>
static int detect(U&&);
static void detect(...);
public:
static constexpr bool value = std::is_integral<decltype(detect(
std::declval<typename BasicJsonType::template json_serializer<T, void>>()))>::value;
};