From 666303faf3c8b4215fde884451688084e298d6a8 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 24 Feb 2019 16:57:05 +0300
Subject: support upcastig in AST enum

---
 crates/ra_syntax/src/ast/generated.rs.tera | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'crates/ra_syntax/src/ast/generated.rs.tera')

diff --git a/crates/ra_syntax/src/ast/generated.rs.tera b/crates/ra_syntax/src/ast/generated.rs.tera
index ca7a28581..e2d4856cf 100644
--- a/crates/ra_syntax/src/ast/generated.rs.tera
+++ b/crates/ra_syntax/src/ast/generated.rs.tera
@@ -38,6 +38,15 @@ pub enum {{ node }}Kind<'a> {
 {%- endfor %}
 }
 
+{%- for kind in methods.enum %}
+impl<'a> From<&'a {{ kind }}> for &'a {{ node }} {
+    fn from(n: &'a {{ kind }}) -> &'a {{ node }} {
+        {{ node }}::cast(&n.syntax).unwrap()
+    }
+}
+{%- endfor %}
+
+
 impl AstNode for {{ node }} {
     fn cast(syntax: &SyntaxNode) -> Option<&Self> {
         match syntax.kind() {
-- 
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