From ab7c7d450145c4ad069b6dcd728cc5a584b4cee5 Mon Sep 17 00:00:00 2001
From: roife <roifewu@gmail.com>
Date: Sat, 8 Jun 2024 13:07:22 +0800
Subject: [PATCH] fix: skip container header if no generics params

---
 crates/hir/src/display.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/hir/src/display.rs b/crates/hir/src/display.rs
index 1ecbfadf97..36b50645eb 100644
--- a/crates/hir/src/display.rs
+++ b/crates/hir/src/display.rs
@@ -36,13 +36,13 @@ impl HirDisplay for Function {
 
         match container {
             Some(AssocItemContainer::Trait(trait_)) => {
-                if f.show_container_bounds() {
+                if f.show_container_bounds() && !f.db.generic_params(trait_.id.into()).is_empty() {
                     write_trait_header(&trait_, f)?;
                     f.write_str("\n")?;
                 }
             }
             Some(AssocItemContainer::Impl(impl_)) => {
-                if f.show_container_bounds() {
+                if f.show_container_bounds() && !f.db.generic_params(impl_.id.into()).is_empty() {
                     write_impl_header(&impl_, f)?;
                     f.write_str("\n")?;
                 }