#roman #numerical #system #converion

numerus

Convert integers to roman numerals and vice versa

2 releases

✓ Uses Rust 2018 edition

0.1.1 Sep 3, 2019
0.1.0 Sep 1, 2019

#2 in #numerical

MIT license

10KB
129 lines

numerus

Build Status crates.io

Convert integers to roman numerals and vice versa

Examples

Convert from int to roman numeral.

    use numerus::int_to_roman_upper;
    let a = 14;
    assert_eq!(int_to_roman_upper(a).unwrap(), "XIV");

Convert a roman numeral to int

    use numerus::roman_to_int;
    let year = "MCMXCVIII";
    assert_eq!(roman_to_int(year).unwrap(), 1998);

For more examples see the documentaion


lib.rs:

Numerus

Convert integers to roman numerals and vice versa

Examples

Convert from integer to an uppercase roman numeral.

    use numerus::int_to_roman_upper;

    let a = 14;
    assert_eq!(int_to_roman_upper(a).unwrap(), "XIV");

Convert from integer to a lowercase roman numeral.

    use numerus::int_to_roman_lower;

    let a = 789;
    assert_eq!(int_to_roman_lower(a).unwrap(), "dcclxxxix");

Convert from a roman numeral to an integer

    use numerus::roman_to_int;

    let year = "MCMXCVIII";
    assert_eq!(roman_to_int(year).unwrap(), 1998);

See functions documentation for more information about error handling

No runtime deps