I seem to be able to crash writefln

[Ary Manzana]

On 3/10/11 4:15 AM, Andrew Wiley wrote:
> On Wed, Mar 9, 2011 at 5:19 PM, Joel Christensen<joelcnz at gmail.com>  wrote:
>> This is on Windows 7. Using a def file to stop the terminal window coming
>> up.
>>
>> win.def
>> EXETYPE NT
>> SUBSYSTEM WINDOWS
>>
>> bug.d
>> import std.stdio;
>> import std.string;
>>
>> void main() {
>>         auto f = File( "z.txt", "w" );
>>         scope( exit )
>>                 f.close;
>>         string foo = "bar";
>>         foreach( n; 0 .. 10 ) {
>>                 writefln( "%s", foo );
>>                 f.write( format( "count duck-u-lar: %s\n", n ) );
>>         }
>> }
>>
>> output (from in z.txt):
>> count duck-u-lar: 0
>>
>
> My understanding is that the "0..10" isn't actually a range notation,
> and you need to use iota(0, 10). I may be wrong, but if I'm right,
> hopefully someone can explain why this syntax works?
> I remember there being a discussion about this recently; I'll see if I
> can find it.

It works because it's a specialized syntax for foreach. Oh, and I think 
in case statements you can use it too, but I don't remember if the first 
was inclusive and the second exclusive, or both, or what. But... it just 
works for those cases. For the rest you have to use iota...