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view tests/mini/assign.d @ 1223:5f340a6dc749
Fix nested functions.
My last patch was a little over-zealous in passing `undef`, it always passed
`undef` to inner functions expecting a single context frame.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Fri, 17 Apr 2009 13:50:01 +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); }