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use std::fmt::{Debug, Display};

// TODO: documentation
pub trait NumLike: std::ops::Add<Output=Self>
+ std::ops::AddAssign
+ std::ops::Sub<Output=Self>
+ std::ops::SubAssign
+ std::ops::Mul<Output=Self>
+ std::ops::MulAssign
+ std::ops::Div<Output=Self>
+ std::ops::DivAssign
+ std::ops::Neg<Output=Self>
+ Clone
+ Debug
+ Display
{}
impl<T> NumLike for T where T: std::ops::Add<Output=Self>
+ std::ops::AddAssign
+ std::ops::Sub<Output=Self>
+ std::ops::SubAssign
+ std::ops::Mul<Output=Self>
+ std::ops::MulAssign
+ std::ops::Div<Output=Self>
+ std::ops::DivAssign
+ std::ops::Neg<Output=Self>
+ Clone
+ Debug
+ Display
{}