comparable 0.5.6

A library for comparing data structures in Rust, oriented toward testing
Documentation 
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use crate::types::{Changed, Comparable};

#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[derive(PartialEq, Debug)]
pub struct StringChange(pub String, pub String);

impl Comparable for String {
	type Desc = String;

	fn describe(&self) -> Self::Desc {
		self.to_string()
	}

	type Change = StringChange;

	fn comparison(&self, other: &Self) -> Changed<Self::Change> {
		if self != other {
			Changed::Changed(StringChange(self.to_string(), other.to_string()))
		} else {
			Changed::Unchanged
		}
	}
}

impl Comparable for &str {
	type Desc = <String as Comparable>::Desc;

	fn describe(&self) -> Self::Desc {
		self.to_string()
	}

	type Change = <String as Comparable>::Change;

	fn comparison(&self, other: &Self) -> Changed<Self::Change> {
		if self != other {
			Changed::Changed(StringChange(self.to_string(), other.to_string()))
		} else {
			Changed::Unchanged
		}
	}
}