Remove unused trait impl

Hash is error-prone for Syntax, see #268
2022-04-24 20:26:36 +07:00 · 2022-04-24 20:26:36 +07:00 · 6a404f51a8
parent a7aa0ae00b
commit 6a404f51a8
1 changed files with 1 additions and 7 deletions
--- a/src/syntax.rs
+++ b/src/syntax.rs
@ -6,7 +6,7 @@ use std::{
    cell::Cell,
    collections::HashMap,
    env, fmt,
-    hash::{Hash, Hasher},
+    hash::Hash,
    num::NonZeroU32,
 };
 use typed_arena::Arena;
@ -512,12 +512,6 @@ impl<'a> PartialEq for Syntax<'a> {
 }
 impl<'a> Eq for Syntax<'a> {}

-impl<'a> Hash for Syntax<'a> {
-    fn hash<H: Hasher>(&self, state: &mut H) {
-        self.content_id().hash(state);
-    }
-}
-
 #[derive(PartialEq, Eq, Debug, Clone, Copy, Hash)]
 pub enum AtomKind {
    Normal,