This library provides iterator-like utility methods like map
, fold
, for_each
, and etc., for tuple.
``` rust extern crate tuplemap; use tuplemap::*; fn main() { let (x, y) = (3, 4); let (x, y) = (x, y).map(|a| a + 5); asserteq!(x, 8); asserteq!(y, 9);
let v = (3, 4, 5, 6).fold(vec![], |mut v, x| {
if x % 3 == 0 {
v.push(x);
}
v
});
assert_eq!(v, vec![3, 6]);
assert!((3, 3, 3).same());
assert_eq!((3, 4, 5).nth(1), Some(4));
}
```