Make Clippy and compile_fail tests happy for 1.87 Rust (#471)

Author: tyranron

impl/src/fmt/debug.rs

@@ -184,10 +184,11 @@ fn expand_enum(
         },
     )?;
 
-    let body = match_arms
-        .is_empty()
-        .then(|| quote! { match *self {} })
-        .unwrap_or_else(|| quote! { match self { #match_arms } });
+    let body = if match_arms.is_empty() {
+        quote! { match *self {} }
+    } else {
+        quote! { match self { #match_arms } }
+    };
 
     Ok((bounds, body))
 }

impl/src/fmt/display.rs

@@ -381,10 +381,11 @@ fn expand_enum(
         },
     )?;
 
-    let body = match_arms
-        .is_empty()
-        .then(|| quote! { match *self {} })
-        .unwrap_or_else(|| quote! { match self { #match_arms } });
+    let body = if match_arms.is_empty() {
+        quote! { match *self {} }
+    } else {
+        quote! { match self { #match_arms } }
+    };
 
     Ok((bounds, body))
 }

impl/src/fmt/mod.rs

@@ -602,7 +602,7 @@ impl ContainsGenericsExt for syn::Type {
                 }
 
                 if let Some(ident) = path.get_ident() {
-                    type_params.iter().any(|param| *param == ident)
+                    type_params.contains(&ident)
                 } else {
                     path.contains_generics(type_params)
                 }

tests/compile_fail/try_from/invalid_repr.stderr

@@ -9,3 +9,19 @@ error: expected one of `(`, `,`, `::`, or `=`, found `+`
   |
 3 | #[repr(a + b)]
   |          ^ expected one of `(`, `,`, `::`, or `=`
+
+error[E0552]: unrecognized representation hint
+ --> tests/compile_fail/try_from/invalid_repr.rs:3:8
+  |
+3 | #[repr(a + b)]
+  |        ^
+  |
+  = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`
+
+error[E0552]: unrecognized representation hint
+ --> tests/compile_fail/try_from/invalid_repr.rs:3:12
+  |
+3 | #[repr(a + b)]
+  |            ^
+  |
+  = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize`