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use debugit::DebugIt;
pub trait Validator<I> {
fn validate(&mut self, param: &I) -> bool;
fn print(&self) -> String;
}
impl<I: PartialEq> Validator<I> for I {
fn validate(&mut self, param: &I) -> bool {
&*param == self
}
fn print(&self) -> String {
format!("{:?}", DebugIt(self)).to_owned()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_partialeq_validate() {
let v = 555;
assert!(555.validate(&v));
assert!(!666.validate(&v));
}
}