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std::meta::is_mutable_member

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

Returns true if r represents a mutable non-static data member. Otherwise returns false.

Parameters

r - a reflection value

Return value

true if r represents a mutable non-static data member; otherwise false.

Example

#include <meta>

struct A
{
    static int a;
    mutable int b;
};

static_assert(!std::meta::is_mutable_member(^^A::a));
static_assert(std::meta::is_mutable_member(^^A::b));

int main() {}

See also

is_nonstatic_data_member
(C++26)
checks if reflection represents a non-static data member
(function)
is_static_member
(C++26)
checks if reflection represents a static class member
(function)

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Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/cpp/meta/is_mutable_member

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