use std::collections::HashSet;
use crate::Validator;
#[derive(Default, Debug, Clone)]
pub struct Unique {
values: HashSet<String>,
}
impl Validator for Unique {
fn validate(&mut self, value: &str) -> bool {
self.values.insert(value.to_string())
}
}
#[cfg(test)]
mod test {
use crate::{Unique, Validator};
#[test]
fn id() {
let mut validator = Unique::default();
assert!(validator.validate("Ferris"));
assert!(validator.validate("Corro"));
assert!(!validator.validate("Ferris"));
}
}