pub struct ToUpperCaseConverter;
impl ToUpperCaseConverter {
pub fn convert(&self, from: &str) -> String {
from.to_uppercase()
}
pub fn reverse_convert(&self, to: String) -> String {
to
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn uppers() {
assert_eq!(ToUpperCaseConverter.convert("ada"), "ADA");
assert_eq!(ToUpperCaseConverter.reverse_convert("ada".into()), "ada");
}
}