Different results for int and long alias

[Andy Little]

Lionello Lunesu Wrote:

> Andy Little wrote:
> > In the following example when I use an int in the marked section the code works as expected, however if I use a long the output is incorrect.
> > 
> > Coming from C++ I don't understand the casting system. Is this the cause or is this a bug?
> 
> "long" in D is a 64-bit integer, therefore you should use "%ld" to print 
> it using printf. Generally, try to cut back on the use of printf since 
> it doesn't check the arguments, causing many similar problems. You 
> should use writefln/writef (from std.stdio) instead. In writefln you can 
>   simply use "%s" for all types.

Great it works.. thanks.  

Presumably this means you need to provide an overload of some "toString(T)" function for your own types?

regards
Andy Little