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Enabled etl::overload for C++11 & C++14

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This commit is contained in:
John Wellbelove 2023-09-20 22:50:02 +01:00
parent 26cf2afd7f
commit 8e83a2655b
2 changed files with 37 additions and 5 deletions
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38
include/etl/overload.h
View File

@ -35,10 +35,9 @@ SOFTWARE.
#include "utility.h"
#include "type_traits.h"
#if ETL_USING_CPP17
namespace etl
{
#if ETL_USING_CPP17
//*************************************************************************
/// Variadic template definition of overload for C++17 and above.
//*************************************************************************
@ -61,8 +60,39 @@ namespace etl
{
return overload<TOverloads...>{ etl::forward<TOverloads>(overloads)... };
}
#elif ETL_USING_CPP11
//*************************************************************************
/// Variadic template definition of overload for C++11 & C++14.
//*************************************************************************
template <typename... TRest>
struct overload;
//*************************************************************************
template <typename TOverload, typename... TRest>
struct overload<TOverload, TRest...> : TOverload, overload<TRest...>
{
overload(TOverload ovl0, TRest... rest) : TOverload(ovl0), overload<TRest...>(rest...) {}
using TOverload::operator();
using overload<TRest...>::operator();
};
//*************************************************************************
template <typename TOverload>
struct overload<TOverload> : TOverload
{
overload(TOverload ovl0) : TOverload(ovl0) {}
using TOverload::operator();
};
//*************************************************************************
template <typename... TRest>
overload<TRest...> make_overload(TRest... overloads)
{
return overload<TRest...>(overloads...);
}
#endif
}
#endif
#endif

4
test/test_overload.cpp
View File

@ -30,7 +30,7 @@ SOFTWARE.
#include "etl/overload.h"
#if ETL_USING_CPP17
#if ETL_USING_CPP11
#include <iostream>
@ -100,6 +100,7 @@ namespace
CHECK(result.bs == true);
}
#if ETL_USING_CPP_17
//*************************************************************************
TEST(test_overload_lambdas_initializer_list)
{
@ -136,6 +137,7 @@ namespace
CHECK(result.bd == false);
CHECK(result.bs == true);
}
#endif
//*************************************************************************
TEST(test_visitor_overload)