Nested slicing
Koroskin Denis
2korden+dmd at gmail.com
Tue Apr 1 09:31:09 PDT 2008
On Mon, 31 Mar 2008 17:59:21 +0400, Koroskin Denis <2korden+dmd at gmail.com>
wrote:
> One last thing about dollar notation in array slicing.
> Shouldn't the following piece of code generate a compile-time error?
>
> import std.stdio;
>
> int main()
> {
> int[] outer = [0, 1, 2, 3, 4];
> int[] inner = [5, 4, 3, 2, 1];
>
> int[] slice = outer[0..inner[$-1]]; < Error: shadowing declaration
> __dollar is deprecated
>
> writefln(slice.length);
>
> return 0;
> }
This code might be ok. How about this one:
import std.stdio;
int main()
{
int[] inner = [0, 1, 2, 3, 4];
int[] outer = [5, 4, 3, 2, 1];
int[] slice = outer[$-1..inner[$-1]]; // now this _is_ shadowing!
writefln(slice.length);
return 0;
}
What do you bet it will yield?
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