int main()
{
// Generic lambdas have a method template call operator.
auto x = [](auto x) { return x * x; };
x(2); // int
x(3.0); // double
}
Here is the transformed code:
int main()
{
class __lambda_4_14
{
public:
template<class type_parameter_0_0>
inline /*constexpr */ auto operator()(type_parameter_0_0 x) const
{
return x * x;
}
#ifdef INSIGHTS_USE_TEMPLATE
template<>
inline /*constexpr */ int operator()<int>(int x) const
{
return x * x;
}
#endif
#ifdef INSIGHTS_USE_TEMPLATE
template<>
inline /*constexpr */ double operator()<double>(double x) const
{
return x * x;
}
#endif
private:
template<class type_parameter_0_0>
static inline /*constexpr */ auto __invoke(type_parameter_0_0 x)
{
return __lambda_4_14{}.operator()<type_parameter_0_0>(x);
}
};
__lambda_4_14 x = __lambda_4_14{};
x.operator()(2);
x.operator()(3.0);
return 0;
}