eq.h

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#pragma once
 
#include <stdbool.h>
 
#include <derive-c/core/namespace.h>
#include <derive-c/core/require.h>
#include <derive-c/core/std/reflect.h>
 
#define DC_TRAIT_EQABLE(SELF) DC_REQUIRE_METHOD(bool, SELF, eq, (SELF const*, SELF const*));
 
#define DC_MEM_EQ(SELF_1, SELF_2) (*(SELF_1) == *(SELF_2))
 
#define _DC_DERIVE_EQ_MEMBER(MEMBER_TYPE, MEMBER_NAME)                                             \
    &&NS(MEMBER_TYPE, eq)(&self_1->MEMBER_NAME, &self_2->MEMBER_NAME)
 
#define DC_DERIVE_EQ(TYPE)                                                                         \
    static bool NS(TYPE, eq)(TYPE const* self_1, TYPE const* self_2) {                             \
        return true NS(TYPE, REFLECT)(_DC_DERIVE_EQ_MEMBER);                                       \
    }
 
#define _DC_DERIVE_STD_EQ(TYPE, ...)                                                               \
    static bool NS(TYPE, eq)(TYPE const* self_1, TYPE const* self_2) { return *self_1 == *self_2; }
 
DC_STD_REFLECT(_DC_DERIVE_STD_EQ)