maybe i got a bug
bioinfornatics
bioinfornatics at gmail.com
Thu Jan 31 13:42:28 PST 2013
On Thursday, 31 January 2013 at 21:31:08 UTC, Ali Çehreli wrote:
> On 01/31/2013 08:59 AM, bioinfornatics wrote:
> > I think when i iterate over a phobos range :
> > foreach( state, letter; fastq )
> > and if fastq instance is called into this loop as done at
> line 181 is
> > not the same instance
>
> Correct. Here is a simpler program:
>
> import std.stdio;
>
> struct S
> {
> int i;
>
> @property int front() const
> {
> writefln("front : %s", &i);
> return i;
> }
>
> @property bool empty() const
> {
> writefln("empty : %s", &i);
> return i == 0;
> }
>
> void popFront()
> {
> writefln("popFront: %s", &i);
> --i;
> }
> }
>
> void main()
> {
> auto s = S(2);
> writefln("main : %s", &s.i);
>
> foreach (i; s) {
> }
> }
>
> The object in main is a different object:
>
> main : 7FFFBD429B70
> empty : 7FFFBD429B74
> front : 7FFFBD429B74
> popFront: 7FFFBD429B74
> empty : 7FFFBD429B74
> front : 7FFFBD429B74
> popFront: 7FFFBD429B74
> empty : 7FFFBD429B74
>
> Ali
is normal or is a bug ?
More information about the Digitalmars-d-learn
mailing list