feat: less clone on symbol

src/ty/common.rs

@@ -1,11 +1,7 @@
 use std::fmt::{Display, Formatter, Result as FmtResult};
-use std::ops::Deref;
-
-use std::sync::LazyLock;
 
 use derive_more::Constructor;
-use ecow::EcoString;
-use regex::Regex;
+
 
 #[derive(Clone, Debug, PartialEq, Constructor)]
 pub struct Catchable {
@@ -18,46 +14,3 @@ impl Display for Catchable {
     }
 }
 
-#[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord, Constructor)]
-pub struct Symbol(EcoString);
-
-impl<T: Into<EcoString>> From<T> for Symbol {
-    fn from(value: T) -> Self {
-        Symbol(value.into())
-    }
-}
-
-impl Display for Symbol {
-    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
-        if self.normal() {
-            write!(f, r#""{}""#, self.0)
-        } else {
-            write!(f, "{}", self.0)
-        }
-    }
-}
-
-static REGEX: LazyLock<Regex> =
-    LazyLock::new(|| Regex::new(r#"^[a-zA-Z\_][a-zA-Z0-9\_\'\-]*$"#).unwrap());
-impl Symbol {
-    fn normal(&self) -> bool {
-        !REGEX.is_match(self)
-    }
-}
-
-impl Deref for Symbol {
-    type Target = str;
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-impl Symbol {
-    pub fn into_inner(self) -> EcoString {
-        self.0
-    }
-
-    pub fn as_inner(&self) -> &EcoString {
-        &self.0
-    }
-}