separete structure from symbols

2018-08-14 11:20:09 +03:00
parent 49ab441024
commit 2b828c68e8
9 changed files with 131 additions and 39 deletions
--- a/crates/libsyntax2/src/ast/mod.rs
+++ b/crates/libsyntax2/src/ast/mod.rs
@@ -10,8 +10,9 @@ use {
 };
 pub use self::generated::*;

-pub trait AstNode<R: TreeRoot>: Sized {
-    fn cast(syntax: SyntaxNode<R>) -> Option<Self>;
+pub trait AstNode<R: TreeRoot> {
+    fn cast(syntax: SyntaxNode<R>) -> Option<Self>
+        where Self: Sized;
    fn syntax(&self) -> &SyntaxNode<R>;
 }