1 files changed, 5 insertions, 4 deletions

diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index d8e911aa5..331736cb2 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -1,4 +1,5 @@
-//! FIXME: write short doc here
+//! Transforms `ast::Expr` into an equivalent `hir_def::expr::Expr`
+//! representation.
 
 use hir_expand::{
     either::Either,
@@ -17,7 +18,7 @@ use test_utils::tested_by;
 use crate::{
     body::{Body, BodySourceMap, Expander, PatPtr},
     builtin_type::{BuiltinFloat, BuiltinInt},
-    db::DefDatabase2,
+    db::DefDatabase,
     expr::{
         ArithOp, Array, BinaryOp, BindingAnnotation, CmpOp, Expr, ExprId, Literal, LogicOp,
         MatchArm, Ordering, Pat, PatId, RecordFieldPat, RecordLitField, Statement,
@@ -28,7 +29,7 @@ use crate::{
 };
 
 pub(super) fn lower(
-    db: &impl DefDatabase2,
+    db: &impl DefDatabase,
     expander: Expander,
     params: Option<ast::ParamList>,
     body: Option<ast::Expr>,
@@ -57,7 +58,7 @@ struct ExprCollector<DB> {
 
 impl<'a, DB> ExprCollector<&'a DB>
 where
-    DB: DefDatabase2,
+    DB: DefDatabase,
 {
     fn collect(
         mut self,