"c++ function return pointer to itself" Code Answer's
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c++ function return pointer to itself
// To some free-function
struct func_wrap
{
using f_t = func_wrap(*)();
f_t func;
f_t operator()() const noexcept { return func; }
operator f_t() const noexcept { return func; }
};
using func_t = func_wrap(*)();
// Function to wrap
func_wrap foo() { return func_wrap{foo}; }
func_t bar() { return foo(); }
func_t buz() { return foo()(); }
// Some functor
struct function
{
function operator()() const noexcept
{
return function();
}
};
function foo(int) { return function(); }
function bar(int) { return function()(); }
function buz(int) { return function()()(); }
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