rustHow to iterate by increment of 2 in Rust
Iterating by increment of 2 in Rust can be done using the step_by
method of the Iterator
trait. This method takes a usize
argument which is the number of steps to take.
Example code
let mut iter = 0..10;
for i in iter.step_by(2) {
println!("{}", i);
}
Output example
0
2
4
6
8
Code explanation
let mut iter = 0..10;
: creates an iterator from 0 to 10 (not including 10)for i in iter.step_by(2)
: iterates over the iterator, taking steps of size 2println!("{}", i);
: prints the current value of the iterator
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