Fix clippy: match expression looks like matches! macro

Author: jschwe

src/bindgen/cdecl.rs

@@ -30,10 +30,7 @@ enum CDeclarator {
 
 impl CDeclarator {
     fn is_ptr(&self) -> bool {
-        match self {
-            CDeclarator::Ptr { .. } | CDeclarator::Func { .. } => true,
-            _ => false,
-        }
+        matches!(self, CDeclarator::Ptr { .. } | CDeclarator::Func { .. })
     }
 }
 

src/bindgen/ir/ty.rs

@@ -300,10 +300,7 @@ impl PrimitiveType {
     }
 
     fn can_cmp_order(&self) -> bool {
-        match *self {
-            PrimitiveType::Bool => false,
-            _ => true,
-        }
+        !matches!(*self, PrimitiveType::Bool)
     }
 
     fn can_cmp_eq(&self) -> bool {
@@ -551,10 +548,7 @@ impl Type {
     pub fn is_primitive_or_ptr_primitive(&self) -> bool {
         match *self {
             Type::Primitive(..) => true,
-            Type::Ptr { ref ty, .. } => match ty.as_ref() {
-                Type::Primitive(..) => true,
-                _ => false,
-            },
+            Type::Ptr { ref ty, .. } => matches!(ty.as_ref(), Type::Primitive(..)),
             _ => false,
         }
     }

src/bindgen/parser.rs

@@ -515,10 +515,10 @@ impl Parse {
                     self.load_syn_ty(crate_name, mod_cfg, item);
                 }
                 syn::Item::Impl(ref item_impl) => {
-                    let has_assoc_const = item_impl.items.iter().any(|item| match item {
-                        syn::ImplItem::Const(_) => true,
-                        _ => false,
-                    });
+                    let has_assoc_const = item_impl
+                        .items
+                        .iter()
+                        .any(|item| matches!(item, syn::ImplItem::Const(_)));
                     if has_assoc_const {
                         impls_with_assoc_consts.push(item_impl);
                     }