Concatenates int

[Rikki Cattermole via Digitalmars-d-learn]

On 11/07/2014 1:18 a.m., Sean Campbell wrote:
> perhaps I'd better state what I'm doing.
> i have an array of 4 bytes and a want to convert them to a 32 bit
> int
> and convert the 32 bit int back into a 4 bytes again.

Small hack I use in Dakka:

union RawConvTypes(T) {
	T value;
	ubyte[T.sizeof] bytes;

	ubyte[T.sizeof] opCast() {
		return bytes;
	}
}

auto iRCT = RawConvTypes!int(5);
assert(iRCT.bytes == [5, 0, 0, 0]);

Can be quite useful for evil conversions.