use crate::traits::MetaData;
use std::fmt::{Debug, Display, Formatter};
#[derive(Clone, PartialEq, Eq, Hash)]
pub(crate) struct WithMeta<A, B> {
pub(crate) data: A,
pub(crate) meta: B,
}
impl<A, B> WithMeta<A, B> {
pub(crate) fn new(data: A, meta: B) -> Self {
Self { data, meta }
}
}
impl<A> WithMeta<A, String> {
pub(crate) fn empty_meta(data: A) -> Self {
Self::new(data, "".into())
}
}
impl<A, B> MetaData for WithMeta<A, B>
where
B: Display,
{
type T = B;
fn meta_data(&self) -> &Self::T {
&self.meta
}
fn display_meta_data(&self) -> String {
self.meta_data().to_string()
}
}
impl<A, B> Display for WithMeta<A, B>
where
A: Display,
{
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
Display::fmt(&self.data, f)
}
}
impl<A, B> Debug for WithMeta<A, B>
where
A: Debug,
{
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
Debug::fmt(&self.data, f)
}
}