2 files changed, 19 insertions, 3 deletions

diff --git a/crates/ra_ide_api/src/hover.rs b/crates/ra_ide_api/src/hover.rs
index 38671b394..c62683ad4 100644
--- a/crates/ra_ide_api/src/hover.rs
+++ b/crates/ra_ide_api/src/hover.rs
@@ -164,6 +164,23 @@ mod tests {
     }
 
     #[test]
+    fn hover_some() {
+        let (analysis, position) = single_file_with_position(
+            "
+            enum Option<T> { Some(T) }
+            use Option::Some;
+
+            fn main() {
+                So<|>me(12);
+            }
+            ",
+        );
+        let hover = analysis.hover(position).unwrap().unwrap();
+        // not the nicest way to show it currently
+        assert_eq!(hover.info, "Some<i32>(T) -> Option<T>");
+    }
+
+    #[test]
     fn hover_for_local_variable() {
         let (analysis, position) = single_file_with_position("fn func(foo: i32) { fo<|>o; }");
         let hover = analysis.hover(position).unwrap().unwrap();
diff --git a/crates/ra_ide_api/src/lib.rs b/crates/ra_ide_api/src/lib.rs
index 57a490fa7..4b9fc9372 100644
--- a/crates/ra_ide_api/src/lib.rs
+++ b/crates/ra_ide_api/src/lib.rs
@@ -38,7 +38,7 @@ mod marks;
 
 use std::sync::Arc;
 
-use ra_syntax::{SourceFile, TreeArc, TextRange, TextUnit};
+use ra_syntax::{SourceFile, TreeArc, TextRange, TextUnit, AstNode};
 use ra_text_edit::TextEdit;
 use ra_db::{
     SourceDatabase, CheckCanceled,
@@ -244,8 +244,7 @@ impl Analysis {
     /// Returns a syntax tree represented as `String`, for debug purposes.
     // FIXME: use a better name here.
     pub fn syntax_tree(&self, file_id: FileId) -> String {
-        let file = self.db.parse(file_id);
-        ra_ide_api_light::syntax_tree(&file)
+        self.db.parse(file_id).syntax().debug_dump()
     }
 
     /// Returns an edit to remove all newlines in the range, cleaning up minor