Variant hurts my brain. Something's screwy with using large values (ones that
dynamic storage is allocated for automatically) but I haven't figured out what
yet. Help?
import std.variant;
import std.typecons;
import std.stdio;
void main()
{
struct Large
{
int[1024] x;
}
Large large;
Variant v = large;
if( v.convertsTo!(Large) )
writeln( "yay" );
}
(gdb) run
Starting program: /Users/sean/Projects/3p/test/vtest
Reading symbols for shared libraries +. done
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x00002754 in
D3std7variant17__T8VariantNVk32Z8VariantN24__T7handlerTSmain5LargeZ7handlerFE3std7variant17__T8VariantNVk32Z8VariantN4OpIDPG32hPvZi6getPtrFPvZPSmain5Large
()
(gdb) bt
#0 0x00002754 in
D3std7variant17__T8VariantNVk32Z8VariantN24__T7handlerTSmain5LargeZ7handlerFE3std7variant17__T8VariantNVk32Z8VariantN4OpIDPG32hPvZi6getPtrFPvZPSmain5Large
()
#1 0x000023c5 in
D3std7variant17__T8VariantNVk32Z8VariantN24__T7handlerTSmain5LargeZ7handlerFE3std7variant17__T8VariantNVk32Z8VariantN4OpIDPG32hPvZi
()
#2 0x000032e8 in
D3std7variant17__T8VariantNVk32Z8VariantN28__T10convertsToTSmain5LargeZ10convertsToMFZb
()
#3 0x000022a1 in _Dmain ()
#4 0x0000e92f in D2rt6dmain24mainUiPPaZi7runMainMFZv ()
#5 0x0000e866 in D2rt6dmain24mainUiPPaZi7tryExecMFMDFZvZv ()
#6 0x0000e972 in D2rt6dmain24mainUiPPaZi6runAllMFZv ()
#7 0x0000e866 in D2rt6dmain24mainUiPPaZi7tryExecMFMDFZvZv ()
#8 0x0000e7f4 in main ()
(gdb)
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