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iter pairs() -> tup(int,int) {

let int i = 0;

let int j = 0;

while (i < 10) {

put tup(i, j);

i += 1;

j += i;

}

}

fn main() {

let int i = 10;

let int j = 0;

for each (tup(int,int) p in pairs()) {

log p._0;

log p._1;

check (p._0 + 10 == i);

i += 1;

j = p._1;

}

check(j == 45);

}

Èí¼þÏêÇ飺https://github.com/rust-lang/rust/blob/master/RELEASES.md#version-100-alpha2-february-2015

ÏÂÔØµØÖ·£ºhttp://www.rust-lang.org/install.html

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