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Libraries
json
Commits
9a459e1b
Unverified
Commit
9a459e1b
authored
4 years ago
by
Niels Lohmann
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fix useless-cast warnings
parent
7feb2c20
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2
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2 changed files
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4 additions
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4 deletions
+4
-4
include/nlohmann/detail/meta/type_traits.hpp
include/nlohmann/detail/meta/type_traits.hpp
+2
-2
single_include/nlohmann/json.hpp
single_include/nlohmann/json.hpp
+2
-2
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include/nlohmann/detail/meta/type_traits.hpp
View file @
9a459e1b
...
...
@@ -437,13 +437,13 @@ template<typename T1, typename... Args>
struct
is_constructible_tuple
<
T1
,
std
::
tuple
<
Args
...
>>
:
conjunction
<
is_constructible
<
T1
,
Args
>
...
>
{};
// to avoid useless casts (see https://github.com/nlohmann/json/issues/2893#issuecomment-889152324)
template
<
typename
T
,
typename
U
,
std
::
enable_if_t
<
!
std
::
is_same
<
T
,
U
>
::
value
,
int
>
=
0
>
template
<
typename
T
,
typename
U
,
enable_if_t
<
!
std
::
is_same
<
T
,
U
>
::
value
,
int
>
=
0
>
T
conditional_static_cast
(
U
value
)
{
return
static_cast
<
T
>
(
value
);
}
template
<
typename
T
,
typename
U
,
std
::
enable_if_t
<
std
::
is_same
<
T
,
U
>
::
value
,
int
>
=
0
>
template
<
typename
T
,
typename
U
,
enable_if_t
<
std
::
is_same
<
T
,
U
>
::
value
,
int
>
=
0
>
T
conditional_static_cast
(
U
value
)
{
return
value
;
...
...
This diff is collapsed.
Click to expand it.
single_include/nlohmann/json.hpp
View file @
9a459e1b
...
...
@@ -3837,13 +3837,13 @@ template<typename T1, typename... Args>
struct is_constructible_tuple<T1, std::tuple<Args...>> : conjunction<is_constructible<T1, Args>...> {};
// to avoid useless casts (see https://github.com/nlohmann/json/issues/2893#issuecomment-889152324)
template < typename T, typename U,
std::
enable_if_t < !std::is_same<T, U>::value, int > = 0 >
template < typename T, typename U, enable_if_t < !std::is_same<T, U>::value, int > = 0 >
T conditional_static_cast(U value)
{
return static_cast<T>(value);
}
template<typename T, typename U,
std::
enable_if_t<std::is_same<T, U>::value, int> = 0>
template<typename T, typename U, enable_if_t<std::is_same<T, U>::value, int> = 0>
T conditional_static_cast(U value)
{
return value;
...
...
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