Trait Param
functor::parametric
pub trait Param { type Param; }
type Param
impl<'a, A: Param> Param for &'a A
impl<'a, A: Param> Param for &'a mut A
impl<A> Param for Option<A>
impl<X, A> Param for (X, A)
impl<A> Param for PhantomData<A>
impl<A> Param for Box<A>
impl<A, E> Param for Result<A, E>