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use serde::{Deserialize, Serialize};
/// A general data structure holding a key and value pair.
///
#[derive(Debug, Eq, PartialEq, Clone, Hash, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct KeyValuePair<K, V> {
key: K,
value: V,
}
impl<K: Copy, V> KeyValuePair<K, V> {
/// Get the key.
///
/// # Examples
///
/// ~~~
/// # use ichen_openprotocol::*;
/// let kv = KeyValuePair::new("TheKey", 42.0);
/// assert_eq!("TheKey", kv.key());
/// ~~~
pub fn key(&self) -> K {
self.key
}
}
impl<K, V: Copy> KeyValuePair<K, V> {
/// Get the value.
///
/// # Examples
///
/// ~~~
/// # use ichen_openprotocol::*;
/// let kv = KeyValuePair::new("TheKey", 42.0);
/// assert_eq!(42.0, kv.value());
/// ~~~
pub fn value(&self) -> V {
self.value
}
}
impl<K, V> KeyValuePair<K, V> {
/// Get the key.
///
/// # Examples
///
/// ~~~
/// # use ichen_openprotocol::*;
/// let kv = KeyValuePair::new("TheKey", 42.0);
/// assert_eq!("TheKey", *kv.key_ref());
/// ~~~
pub fn key_ref(&self) -> &K {
&self.key
}
/// Get the value.
///
/// # Examples
///
/// ~~~
/// # use ichen_openprotocol::*;
/// let kv = KeyValuePair::new("TheKey", 42.0);
/// assert_eq!(42.0, *kv.value_ref());
/// ~~~
pub fn value_ref(&self) -> &V {
&self.value
}
/// Create a `KewValuePair`.
///
/// # Examples
///
/// ~~~
/// # use ichen_openprotocol::*;
/// let kv = KeyValuePair::new("TheKey", 42.0);
/// assert_eq!("TheKey", kv.key());
/// assert_eq!(42.0, kv.value());
/// ~~~
pub fn new(key: K, value: V) -> Self {
Self { key, value }
}
}