use std::fmt;
use crate::{context::definition::KeyOrKeyword, Keyword};
pub enum Expandable {
Keyword(Keyword),
String(String),
}
pub enum ExpandableRef<'a> {
Keyword(Keyword),
String(&'a str),
}
impl<'a> From<&'a KeyOrKeyword> for ExpandableRef<'a> {
fn from(k: &'a KeyOrKeyword) -> Self {
match k {
KeyOrKeyword::Keyword(k) => Self::Keyword(*k),
KeyOrKeyword::Key(k) => Self::String(k.as_str()),
}
}
}
impl<'a> From<&'a str> for ExpandableRef<'a> {
fn from(s: &'a str) -> Self {
match Keyword::try_from(s) {
Ok(k) => Self::Keyword(k),
Err(_) => Self::String(s),
}
}
}
impl<'a> fmt::Display for ExpandableRef<'a> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Keyword(k) => k.fmt(f),
Self::String(s) => s.fmt(f),
}
}
}