# Trait num_traits::NumRef [−] [src]

    pub trait NumRef: Num + NumOps<&'r Self, Self> { }

The trait for `Num` types which also implement numeric operations taking the second operand by reference.

This is automatically implemented for types which implement the operators.

## Implementors

- [src]
  `impl<T> NumRef for T where
  T: Num + NumOps<&'r T, T>,`

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