What it the preferred method to write a class to a file?

[Charles D Hixson]

xs0 wrote:
> 
>> P.S.:  Is there a standard library routine for converting
>> between strings of length 4 and uint-s?  If so I wasn't able
>> to find it.  If not, I wasn't able to determine that it
>> didn't exist.  (That would have made writing the sig more
>> efficient.)
> 
> union {
>     uint asUInt;
>     char[4] asChars;
> }
> 
> or something to that effect :)
For some reason when I tried that I was told that I was
using "illegal utf8 characters".  But Jarrett's approach
worked fine.