bounded_integer::bounded_integer_sub_self_impls!

macro_rules! bounded_integer_sub_self_impls {
    ($ty:ty) => { ... };
}

Implements std::ops::Sub<Self> for a BoundedInteger.

• Self - Self -> Self
• Self - &Self -> Self
• &Self - Self -> Self
• &Self - &Self -> Self

Implementations always panic on overflow.