On Tuesday, 5 November 2024 at 17:32:00 UTC, Andy Valencia wrote:
integral promotion not done for -val
```d
I ended up with this, but is negating a short really this
problematic, or did I miss something?
static if (!__traits(isUnsigned, T)) {
if (val < 0) {
static if (__traits(getPointerBitmap, T)[0] <
int.sizeof) {
val = cast(T)(-(cast(int)val));
} else {
val = -val;
}
}
}
```
In response to Andy and Matheus, I think implementing your own
kind might be a solution:
```d
void main()
{
Short foo = { -21 };
foo = foo * -2;
assert(foo.s == 42);
}
struct Short
{
short s;
auto opBinary(string op: "*")(int rhs)
{
auto result = s * rhs;
return Short(cast(short)result);
}
void opOpAssign(string op: "*")(int rhs)
{
s *= rhs;
}
}
```
SDB@79
