1 /** 2 * TypeInfo support code. 3 * 4 * Copyright: Copyright Digital Mars 2004 - 2009. 5 * License: $(WEB www.boost.org/LICENSE_1_0.txt, Boost License 1.0). 6 * Authors: Walter Bright 7 */ 8 9 /* Copyright Digital Mars 2004 - 2009. 10 * Distributed under the Boost Software License, Version 1.0. 11 * (See accompanying file LICENSE or copy at 12 * http://www.boost.org/LICENSE_1_0.txt) 13 */ 14 module rt.typeinfo.ti_void; 15 16 // void 17 18 class TypeInfo_v : TypeInfo 19 { 20 @trusted: 21 const: 22 pure: 23 nothrow: 24 toString()25 override string toString() const pure nothrow @safe { return "void"; } 26 getHash(scope const void * p)27 override size_t getHash(scope const void* p) 28 { 29 assert(0); 30 } 31 equals(in void * p1,in void * p2)32 override bool equals(in void* p1, in void* p2) 33 { 34 return *cast(byte *)p1 == *cast(byte *)p2; 35 } 36 compare(in void * p1,in void * p2)37 override int compare(in void* p1, in void* p2) 38 { 39 return *cast(byte *)p1 - *cast(byte *)p2; 40 } 41 tsize()42 override @property size_t tsize() nothrow pure 43 { 44 return void.sizeof; 45 } 46 initializer()47 override const(void)[] initializer() const @trusted 48 { 49 return (cast(void *)null)[0 .. void.sizeof]; 50 } 51 swap(void * p1,void * p2)52 override void swap(void *p1, void *p2) 53 { 54 byte t; 55 56 t = *cast(byte *)p1; 57 *cast(byte *)p1 = *cast(byte *)p2; 58 *cast(byte *)p2 = t; 59 } 60 flags()61 override @property uint flags() nothrow pure 62 { 63 return 1; 64 } 65 } 66