3 files changed, 22 insertions, 6 deletions

diff --git a/crates/ra_syntax/src/ast.rs b/crates/ra_syntax/src/ast.rs
index a12da5be2..1ec9881b9 100644
--- a/crates/ra_syntax/src/ast.rs
+++ b/crates/ra_syntax/src/ast.rs
@@ -113,6 +113,20 @@ fn test_doc_comment_of_items() {
 }
 
 #[test]
+fn test_doc_comment_of_statics() {
+    let file = SourceFile::parse(
+        r#"
+        /// Number of levels
+        static LEVELS: i32 = 0;
+        "#,
+    )
+    .ok()
+    .unwrap();
+    let st = file.syntax().descendants().find_map(StaticDef::cast).unwrap();
+    assert_eq!("Number of levels", st.doc_comment_text().unwrap());
+}
+
+#[test]
 fn test_doc_comment_preserves_indents() {
     let file = SourceFile::parse(
         r#"
diff --git a/crates/ra_syntax/src/ast/traits.rs b/crates/ra_syntax/src/ast/traits.rs
index 76313684e..c2b005886 100644
--- a/crates/ra_syntax/src/ast/traits.rs
+++ b/crates/ra_syntax/src/ast/traits.rs
@@ -6,6 +6,7 @@ use itertools::Itertools;
 
 use crate::{
     ast::{self, child_opt, children, AstChildren, AstNode, AstToken},
+    match_ast,
     syntax_node::{SyntaxElementChildren, SyntaxNodeChildren},
 };
 
@@ -68,11 +69,12 @@ impl Iterator for ItemOrMacroIter {
     fn next(&mut self) -> Option<ItemOrMacro> {
         loop {
             let n = self.0.next()?;
-            if let Some(item) = ast::ModuleItem::cast(n.clone()) {
-                return Some(ItemOrMacro::Item(item));
-            }
-            if let Some(call) = ast::MacroCall::cast(n) {
-                return Some(ItemOrMacro::Macro(call));
+            match_ast! {
+                match n {
+                    ast::ModuleItem(it) => { return Some(ItemOrMacro::Item(it)) },
+                    ast::MacroCall(it) => { return Some(ItemOrMacro::Macro(it)) },
+                    _ => {},
+                }
             }
         }
     }
diff --git a/crates/ra_syntax/src/parsing/text_tree_sink.rs b/crates/ra_syntax/src/parsing/text_tree_sink.rs
index 142164316..c36756d6c 100644
--- a/crates/ra_syntax/src/parsing/text_tree_sink.rs
+++ b/crates/ra_syntax/src/parsing/text_tree_sink.rs
@@ -147,7 +147,7 @@ fn n_attached_trivias<'a>(
 ) -> usize {
     match kind {
         MACRO_CALL | CONST_DEF | TYPE_ALIAS_DEF | STRUCT_DEF | ENUM_DEF | ENUM_VARIANT | FN_DEF
-        | TRAIT_DEF | MODULE | RECORD_FIELD_DEF => {
+        | TRAIT_DEF | MODULE | RECORD_FIELD_DEF | STATIC_DEF => {
             let mut res = 0;
             for (i, (kind, text)) in trivias.enumerate() {
                 match kind {