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Augusto 0dcb2e605a Add test and subject for exercise `step_iterator` 4 years ago
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README.md

README.md

step_iterator

Instructions

  • Create an Iterator (by implementing the std::iter::Iterator trait) that iterates through the values from beg to end (including end) in the indicated steps.

    • The name of you're iterator will be StepIterator and it must be generic so you can use any integer value: i8,..,i64, u8,..,u64 or floating point number f32,..,f64

    • If the steps don't allow to arrive until the end of the sequence only the last value inferior to the end of the series will be returned (See Usage)

  • Define the associated function: new that creates a new Step iterator:

Expected Functions and Structures

pub struct StepIterator<T> {
...
}

use std::ops::Add;
impl StepIterator<T> {
	pub fn new(beg: T, end: T, step: T) -> Self {
	}
}

impl std::iter::Iterator for StepIterator<T> {
}

Usage

Here is a program to test your function.

fn main() {
	for v in StepIterator::new(0, 100, 10) {
		print!("{},", v);
	}
	println!();

	for v in StepIterator::new(0, 100, 12) {
		print!("{},", v)
	}
	println!();
}

And its output

student@ubuntu:~/[[ROOT]]/test$ cargo run
0,10,20,30,40,50,60,70,80,90,100,
0,12,24,36,48,60,72,84,96,
student@ubuntu:~/[[ROOT]]/test$