Change representation of dynamic arrays?

[Walter Bright]

0ffh wrote:
> Walter Bright wrote:
>> [see news://news.digitalmars.com:119/ffbr56$r40$1@digitalmars.com]
>> What does this break?
>> 1) Passing dynamic arrays to printf as in:
>>     printf("my string is %*.s\n", str);
> 
> Hmmm, currently I use printf("foo %s\n",std.string.toStringz(bar))
> anyway, never tried what you're doing there. Did I miss something?

printf("my string is %*.s\n", str.length, str.ptr);

will be a little faster, because it doesn't need to allocate memory.