On Monday, 12 November 2012 at 21:03:51 UTC, cal wrote:
Is the following a bug?
import std.c.string, core.memory;
void* makeNew(T)()
{
T t = T.init;
void* ptr = GC.malloc(T.sizeof);
memcpy(ptr, &t, T.sizeof);
return ptr;
}
void main()
{
alias string T;
T* iptr = cast(T*)makeNew!(T);
(*iptr) = [1,2,3]; // this is allowed
}
It's not a bug.
string is an alias for immutable(char)[].
ubyte can be implicitly converted to char.
All your numbers are less than 256, so dmd is able to convert
them to char.
If you try this, it fails.
string s = [256]; // 256 is > char.max
