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pub trait Equal {
fn equal(&self, other: &Self) -> bool;
fn equals<T,U>(&self, this: &T, that: &T, x: &U, y: &U) -> bool
where T: Eq, U: Eq;
}
impl<T> Equal for T where T: Eq {
fn equal(&self, other: &T) -> bool {
self == other
}
fn equals<U,X>(&self, this: &U, other: &U, x: &X, y: &X) -> bool
where U: Eq, X: Eq {
this == other && x == y
}
}
pub fn equal<T>(x: &T, y: &T) -> bool where T: Eq {
x == y
}
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