http://doc.rust-lang.org/guide-pointers.html 打印出指针的值(一个地址, referent的地址, 被指者叫做referent) let x = 5i;
let y = 8i;
let z = &y;
println!("{:p}", z); location val...
10 循环 for x in 和javascript一样 for x in range(0i, 10i) {
println!("{:d}", x);
} while循环 let mut x = 5u;
let mut done = false;
while !done {
x += x - 3;
...
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