Shea Frembling
c8ae4edc5c
Reviewed-on: http://192.168.1.227:3000/sfrembling/timeshift/pulls/1 Co-authored-by: Shea Frembling <sfrembling@gmail.com> Co-committed-by: Shea Frembling <sfrembling@gmail.com>
41 lines
650 B
Rust
41 lines
650 B
Rust
fn main() {
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let src = 12;
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let result = is_even(src);
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println!("{src} is even? {result}");
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}
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fn is_even(n: u32) -> bool {
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match n {
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0 => true,
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1 => false,
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_ => is_odd(n - 1),
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}
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}
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fn is_odd(n: u32) -> bool {
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match n {
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0 => false,
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1 => true,
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_ => is_even(n - 1),
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::{is_even, is_odd};
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#[test]
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fn it_works() {
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let src = 12;
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let result = is_even(src);
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assert!(result);
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}
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#[test]
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fn it_works_again() {
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let src = 5;
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let result = is_odd(src);
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assert!(result);
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}
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}
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