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tag.rs
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tag.rs
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//! Tags
use crate::error::Error;
use serde::{Deserialize, Serialize};
use std::{fmt, str::FromStr};
/// Tags
#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
pub struct Tag {
/// Key
pub key: Key,
/// Value
pub value: Value,
}
/// Tag keys
#[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, PartialOrd, Ord, Serialize)]
pub struct Key(String);
impl AsRef<str> for Key {
fn as_ref(&self) -> &str {
self.0.as_ref()
}
}
impl FromStr for Key {
type Err = Error;
fn from_str(s: &str) -> Result<Self, Error> {
Ok(Key(s.into()))
}
}
impl fmt::Display for Key {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", &self.0)
}
}
/// Tag values
#[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
pub struct Value(String);
impl AsRef<str> for Value {
fn as_ref(&self) -> &str {
self.0.as_ref()
}
}
impl FromStr for Value {
type Err = Error;
fn from_str(s: &str) -> Result<Self, Error> {
Ok(Value(s.into()))
}
}
impl fmt::Display for Value {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", &self.0)
}
}