feat(value): less clone

src/ty/common.rs

@@ -3,7 +3,7 @@ use std::fmt::{Display, Formatter, Result as FmtResult};
 use derive_more::Constructor;
 
 
-#[derive(Clone, Debug, PartialEq, Constructor)]
+#[derive(Clone, Debug, PartialEq, Constructor, Hash)]
 pub struct Catchable {
     msg: String,
 }