Improve uwrap or default

Author: pmnoxx

clippy_lints/src/methods/unwrap_or_else_default.rs

@@ -2,7 +2,7 @@
 
 use super::UNWRAP_OR_ELSE_DEFAULT;
 use clippy_utils::{
-    diagnostics::span_lint_and_sugg, is_trait_item, source::snippet_with_applicability, ty::is_type_diagnostic_item,
+    diagnostics::span_lint_and_sugg, is_trait_item, is_default_equivalent, source::snippet_with_applicability, ty::is_type_diagnostic_item,
 };
 use rustc_errors::Applicability;
 use rustc_hir as hir;
@@ -24,7 +24,7 @@ pub(super) fn check<'tcx>(
 
     if_chain! {
         if is_option || is_result;
-        if is_trait_item(cx, u_arg, sym::Default);
+        if is_trait_item(cx, u_arg, sym::Default) || is_default_equivalent(cx, u_arg);
         then {
             let mut applicability = Applicability::MachineApplicable;