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-rw-r--r--crates/libsyntax2/src/yellow/syntax.rs10
1 files changed, 9 insertions, 1 deletions
diff --git a/crates/libsyntax2/src/yellow/syntax.rs b/crates/libsyntax2/src/yellow/syntax.rs
index 0045598d4..75b6cb7dc 100644
--- a/crates/libsyntax2/src/yellow/syntax.rs
+++ b/crates/libsyntax2/src/yellow/syntax.rs
@@ -1,4 +1,7 @@
1use std::{fmt, sync::Arc}; 1use std::{
2 fmt, sync::Arc,
3 hash::{Hasher, Hash},
4};
2 5
3use smol_str::SmolStr; 6use smol_str::SmolStr;
4 7
@@ -27,6 +30,11 @@ impl<R1: TreeRoot, R2: TreeRoot> PartialEq<SyntaxNode<R1>> for SyntaxNode<R2> {
27} 30}
28 31
29impl<R: TreeRoot> Eq for SyntaxNode<R> {} 32impl<R: TreeRoot> Eq for SyntaxNode<R> {}
33impl<R: TreeRoot> Hash for SyntaxNode<R> {
34 fn hash<H: Hasher>(&self, state: &mut H) {
35 self.red.hash(state)
36 }
37}
30 38
31pub type SyntaxNodeRef<'a> = SyntaxNode<RefRoot<'a>>; 39pub type SyntaxNodeRef<'a> = SyntaxNode<RefRoot<'a>>;
32 40