Macro impl_transparent_wrapper 

macro_rules! impl_transparent_wrapper {
    ($wrapper:ident<$inner:ident>) => { ... };
    ($module:ident::$wrapper:ident<$inner:ident>) => { ... };
}

Implements the Type trait for transparent wrapper types.

This macro helps implement the Type trait for types that transparently wrap another type, like Box, Arc, Rc, Cell, etc.

Examples

impl_transparent_wrapper!(Box<T>);
impl_transparent_wrapper!(Arc<T>);
impl_transparent_wrapper!(Cell<T>);