On Thursday, 11 July 2019 at 16:31:58 UTC, Stefanos Baziotis wrote:
I searched the forum but did not find something.

I want to do this:

int foo(T)(ref T s1, ref T s2)
{
    const byte[] s1b = (cast(const(byte)*)&s1)[0 .. T.sizeof];
    const byte[] s2b = (cast(const(byte)*)&s2)[0 .. T.sizeof];
}

Which is to create a byte array from the bytes of the value given, no matter
the type. The above works, but it's not @safe.

Thanks,
Stefanos

Casting from one type of pointer to another and slicing a pointer are both @system, by design. What's the actual problem you're trying to solve? There may be a different way to do it that's @safe.

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