X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=clippy_lints%2Fsrc%2Funnecessary_wraps.rs;h=83ef3b0fac8741fb6f46cf8f1c2724f15ddba649;hb=c153bd62377f3c563b9f6e9d6ba7742523c45209;hp=f4f5a4336a39ec7ad4ae0800207e429f986f1f4d;hpb=59c0f29916d43b8f4b1a79be31f9c4aa65492f6b;p=rust.git

diff --git a/clippy_lints/src/unnecessary_wraps.rs b/clippy_lints/src/unnecessary_wraps.rs
index f4f5a4336a3..83ef3b0fac8 100644
--- a/clippy_lints/src/unnecessary_wraps.rs
+++ b/clippy_lints/src/unnecessary_wraps.rs
@@ -115,7 +115,7 @@ fn check_fn(
 
         // Check if all return expression respect the following condition and collect them.
         let mut suggs = Vec::new();
-        let can_sugg = find_all_ret_expressions(cx, &body.value, |ret_expr| {
+        let can_sugg = find_all_ret_expressions(cx, body.value, |ret_expr| {
             if_chain! {
                 if !ret_expr.span.from_expansion();
                 // Check if a function call.
@@ -130,7 +130,7 @@ fn check_fn(
                         (
                             ret_expr.span,
                             if inner_type.is_unit() {
-                                "".to_string()
+                                String::new()
                             } else {
                                 snippet(cx, arg.span.source_callsite(), "..").to_string()
                             }
@@ -153,11 +153,8 @@ fn check_fn(
                 )
             } else {
                 (
-                    format!(
-                        "this function's return value is unnecessarily wrapped by `{}`",
-                        return_type_label
-                    ),
-                    format!("remove `{}` from the return type...", return_type_label),
+                    format!("this function's return value is unnecessarily wrapped by `{return_type_label}`"),
+                    format!("remove `{return_type_label}` from the return type..."),
                     inner_type.to_string(),
                     "...and then change returning expressions",
                 )