std::meta::is_bit_field
Defined in header <meta> | ||
|---|---|---|
consteval bool is_bit_field( std::meta::info r ); | (since C++26) |
Returns true if r represents a bit-field or a data member description whose bit width is not ⊥. Otherwise returns false.
Parameters
| r | - | a reflection value |
Return value
true if r represents a bit-field or a data member description of bit-field; otherwise false.
Example
#include <meta>
struct A
{
int a;
int b:2;
};
static_assert(!std::meta::is_bit_field(^^A::a));
static_assert(std::meta::is_bit_field(^^A::b));
int main() {}
See also
|
(C++26) | checks if reflection represents a non-static data member (function) |
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/cpp/meta/is_bit_field
