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use hashbrown::Equivalent;
#[derive(Hash)]
pub struct StringTupleRef<'a>(pub &'a str, pub &'a str);
impl<'a> Equivalent<(String, String)> for StringTupleRef<'a> {
fn equivalent(&self, other: &(String, String)) -> bool {
self.0 == other.0 && self.1 == other.1
}
}
#[cfg(test)]
mod string_tuple_ref_tests {
use std::hash::RandomState;
use super::*;
#[test]
fn test_string_tuple_ref_hash() {
use std::hash::BuildHasher;
let s = RandomState::new();
assert_eq!(
s.hash_one(StringTupleRef("abc", "def")),
s.hash_one(&("abc".to_string(), "def".to_string()))
);
}
}
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