/
iterative.rs
37 lines (31 loc) · 1.02 KB
/
iterative.rs
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pub struct Solution;
// ------------------------------------------------------ snip ------------------------------------------------------ //
impl Solution {
pub fn detect_capital_use(word: String) -> bool {
let mut iter = word.as_bytes().iter();
if iter.next().unwrap().is_ascii_uppercase() {
iter.next().map_or(true, |second| {
if second.is_ascii_uppercase() {
iter.all(u8::is_ascii_uppercase)
} else {
iter.all(u8::is_ascii_lowercase)
}
})
} else {
iter.all(u8::is_ascii_lowercase)
}
}
}
// ------------------------------------------------------ snip ------------------------------------------------------ //
impl super::Solution for Solution {
fn detect_capital_use(word: String) -> bool {
Self::detect_capital_use(word)
}
}
#[cfg(test)]
mod tests {
#[test]
fn test_solution() {
super::super::tests::run::<super::Solution>();
}
}