Hi, Would it be possible to leverage the macro system, so that a range can be expressed using an intuitive syntax ?
Something like :
for range!(0 <= x < size) {
io::print(x);
}
or
for range!(10 > v >= 0) {
io::print(v);
}
----- Message d'origine -----
De : Niko Matsakis
Envoyés : 06.03.13 14:45
À : Benjamin Striegel
Objet : Re: [rust-dev] A question about using uint::range_rev()
Yeah, I'm inclined to agree.
Niko
[email protected]
March 6, 2013 12:55 AM
Hm, well that's unfortunate...
I think that range_rev might just need to be rewritten to get the values in (i,
j] rather than [i, j).
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March 5, 2013 11:42 PM
Hi all,
I have a quick question about using uint::range_rev().
I'd like to express a for statement that decrements an uint value to 0.
However I cannot use the below statement, because uint::range_rev(i,j) computes
values in the range [i,j).
for uint::range_rev(10,0) |i| {
// do something
}
Sure I can express the statement using a combination of a while loop and an if
statment,
but is there a compact (or Rust) way of expressing i,..,j? Also, I think type
casting to int, use int::range(i,-1),
and type cast back to uint is only tricking the compiler.
Thanks a lot.
Regards,
Ryan
----
Ryan Hyun Choi
Senior Engineer
Web Platform Lab.
Software R&D Center
Samsung Electronics Co., Ltd
email: [email protected]
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