2 files changed, 3 insertions, 13 deletions

diff --git a/crates/ra_hir_ty/src/infer/expr.rs b/crates/ra_hir_ty/src/infer/expr.rs
index 61af5f064..22884522a 100644
--- a/crates/ra_hir_ty/src/infer/expr.rs
+++ b/crates/ra_hir_ty/src/infer/expr.rs
@@ -785,11 +785,7 @@ impl<'a> InferenceContext<'a> {
         for &check_closures in &[false, true] {
             let param_iter = param_tys.iter().cloned().chain(repeat(Ty::Unknown));
             for (&arg, param_ty) in args.iter().zip(param_iter) {
-                let is_closure = match &self.body[arg] {
-                    Expr::Lambda { .. } => true,
-                    _ => false,
-                };
-
+                let is_closure = matches!(&self.body[arg], Expr::Lambda { .. });
                 if is_closure != check_closures {
                     continue;
                 }
diff --git a/crates/ra_hir_ty/src/lib.rs b/crates/ra_hir_ty/src/lib.rs
index 414158139..c9513b752 100644
--- a/crates/ra_hir_ty/src/lib.rs
+++ b/crates/ra_hir_ty/src/lib.rs
@@ -620,17 +620,11 @@ pub enum GenericPredicate {
 
 impl GenericPredicate {
     pub fn is_error(&self) -> bool {
-        match self {
-            GenericPredicate::Error => true,
-            _ => false,
-        }
+        matches!(self, GenericPredicate::Error)
     }
 
     pub fn is_implemented(&self) -> bool {
-        match self {
-            GenericPredicate::Implemented(_) => true,
-            _ => false,
-        }
+        matches!(self, GenericPredicate::Implemented(_))
     }
 
     pub fn trait_ref(&self, db: &dyn HirDatabase) -> Option<TraitRef> {