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  • Description

    Two can play at that game 🦀 (admittedly less straightforward since Rust is more explicit around operations and potential errors)

     Code 
    fn reverse_int(n: u128) -> u128 {
    n.to_string().chars().rev().collect::<String>().parse().unwrap()
}
    Test Cases 
    #[test]
fn tests() {
    let test_samples = [
        (776, 677),
        (12345, 54321),
        (3121534312, 2134351213),            
        (726376882009597984841891, 198148489795900288673627),            
    ];

    for (s, e) in test_samples {
        assert_eq!(reverse_int(s), e)
    }
}
    View Run Output
  • Code
    • def reverse_int(n):
    • return int(str(n)[::-1])
    • fn reverse_int(n: u128) -> u128 {
    • n.to_string().chars().rev().collect::<String>().parse().unwrap()
    • }
     Test Cases
    • import codewars_test as test
    • from solution import reverse_int
    • #[test]
    • fn tests() {
    • let test_samples = [
    • (776, 677),
    • (12345, 54321),
    • (3121534312, 2134351213),
    • (726376882009597984841891, 198148489795900288673627),
    • ];
    • @test.describe("Example")
    • def test_group():
    • @test.it("test case")
    • def test_case():
    • test_samples = (
    • (776,677),
    • (12345,54321),
    • (3121534312,2134351213),
    • (726376882009597984841891,198148489795900288673627),
    • )
    • for s, e in test_samples:
    • test.assert_equals(reverse_int(s), e)
    • for (s, e) in test_samples {
    • assert_eq!(reverse_int(s), e)
    • }
    • }