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/**
 * TypeInfo support code.
 *
 * Copyright: Copyright Digital Mars 2004 - 2009.
 * License:   $(WEB www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
 * Authors:   Walter Bright
 */

/*          Copyright Digital Mars 2004 - 2009.
 * Distributed under the Boost Software License, Version 1.0.
 *    (See accompanying file LICENSE or copy at
 *          http://www.boost.org/LICENSE_1_0.txt)
 */
module rt.typeinfo.ti_C;

// Object

class TypeInfo_C : TypeInfo
{
    @trusted:
    const:
    //pure:
    //nothrow:

    override size_t getHash(in void* p)
    {
        Object o = *cast(Object*)p;
        return o ? o.toHash() : 0;
    }

    override bool equals(in void* p1, in void* p2)
    {
        Object o1 = *cast(Object*)p1;
        Object o2 = *cast(Object*)p2;

        return o1 == o2;
    }

    override int compare(in void* p1, in void* p2)
    {
        Object o1 = *cast(Object*)p1;
        Object o2 = *cast(Object*)p2;
        int c = 0;

        // Regard null references as always being "less than"
        if (!(o1 is o2))
        {
            if (o1)
            {
                if (!o2)
                    c = 1;
                else
                    c = o1.opCmp(o2);
            }
            else
                c = -1;
        }
        return c;
    }

    override @property size_t tsize() nothrow pure
    {
        return Object.sizeof;
    }

    override @property uint flags() nothrow pure
    {
        return 1;
    }
}