strange bug with unions?

[seen via Digitalmars-d]

On Friday, 29 May 2015 at 08:00:54 UTC, deadalnix wrote:
> On Friday, 29 May 2015 at 07:55:55 UTC, seen wrote:
>> I don't know why but when using a template union with a static 
>> ubyte array i get bizarre results!
>>
>> module main;
>>
>> import std.stdio;
>> private union ByteConverter(T)
>> {
>> 	ubyte[T.sizeof] bytes;
>> 	T value;
>> }
>>
>> ubyte[] toBytes(T)(T from) if (!is(T == const))
>> {
>> 	ByteConverter!T converter;
>> 	converter.value = from;
>> 	return converter.bytes;
>> }
>>
>> T fromBytes(T)(in ubyte[] bytes)
>> {
>> 	ByteConverter!T converter;
>> 	converter.bytes = bytes;
>> 	return converter.value;
>> }
>>
>> void main(string[] args)
>> {
>> 	writeln(fromBytes!uint(toBytes(34u)));// should print 32 but 
>> prints 1244564
>> }
>>
>> why dose it print 1244564 the array is static size so why is 
>> it acting like bytes is a pointer not a static array?
>
> http://fr.wikipedia.org/wiki/Endianness#Little_endian

endianness should not be an issue since I'm not changing machines
and using static array unions is a common way to convert to bytes 
in D.