std::meta::is_destructor

 

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Defined in header <meta>
consteval bool is_destructor( std::meta::info r );		(since C++26)

Returns true if r represents a destructor. Otherwise returns false.

Parameters

r

-

a reflection value

Return value

true if r represents a destructor; otherwise false.

Example

Run this code

#include <meta>

// X::~X is an ordinary destructor
struct X { ~X() { } };
static_assert(std::meta::is_destructor(^^X::~X));

// a deleted destructor is still a destructor
struct Y {  ~Y() = delete; };
static_assert(std::meta::is_destructor(^^Y::~Y));

// can't hide behind typedefs either
using XX = X;
static_assert(std::meta::is_destructor(^^X::~XX));
static_assert(std::meta::is_destructor(^^XX::~X));
static_assert(std::meta::is_destructor(^^XX::~XX));

int main() {}
static_assert(!std::meta::is_destructor(^^main));

See also

is_constructoris_default_constructoris_copy_constructoris_move_constructor (C++26)

checks if the reflected entity is a constructor of this kind (function)