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use std::fmt;
#[derive(Debug, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)]
pub enum Prefix {
Cargo,
Custom(String),
}
impl Default for Prefix {
fn default() -> Self {
Self::Cargo
}
}
impl fmt::Display for Prefix {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let prefix = match self {
Self::Cargo => "cargo",
Self::Custom(prefix) => prefix,
};
prefix.fmt(f)
}
}
#[cfg(test)]
mod tests {
use crate::Prefix;
#[test]
fn test_default() {
let prefix = Prefix::default();
assert!(matches!(prefix, Prefix::Cargo))
}
#[test]
fn test_display_cargo() {
let prefix = Prefix::Cargo;
let string = format!("{}", prefix);
assert_eq!(string, "cargo")
}
#[test]
fn test_display_custom() {
let prefix = Prefix::Custom("custom".into());
let string = format!("{}", prefix);
assert_eq!(string, "custom")
}
}