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view tests/mini/assign.d @ 468:45a67b6f1310
Removed the 'needsstorage' thing from Dsymbol. Arguments are not always given storage when applicable. This is not longer treat specially
in this regard. Code for accessing nested variables and contexts rewritten. Probably more. Fairly well tested.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Mon, 04 Aug 2008 02:59:34 +0200 |
parents | 1bb99290e03a |
children |
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module assign; // this is taken from std.intrinsic from gdc int mybtc(uint *p, uint bitnum) { uint * q = p + (bitnum / (uint.sizeof*8)); uint mask = 1 << (bitnum & ((uint.sizeof*8) - 1)); int result = *q & mask; *q ^= mask; return result ? -1 : 0; } void main() { uint i = 0xFFFF_FFFF; int r = mybtc(&i, 31); assert(r); assert(i == 0x7FFF_FFFF); r = mybtc(&i, 31); assert(!r); assert(i == 0xFFFF_FFFF); }