Function rustc_middle::ty::codec::encode_with_shorthand

pub fn encode_with_shorthand<E, T, M, 'tcx>(
    encoder: &mut E, 
    value: &T, 
    cache: M
) -> Result<(), E::Error> where
    E: TyEncoder<'tcx>,
    M: for<'b> Fn(&'b mut E) -> &'b mut FxHashMap<T, usize>,
    T: EncodableWithShorthand<'tcx, E>,
    T::Variant: DiscriminantKind<Discriminant = isize>, 

Encode the given value or a previously cached shorthand.