Derive Copy, Clone, and Debug for handles (microsoft#3015)

Author: kennykerr

crates/libs/bindgen/src/rust/handles.rs

@@ -100,7 +100,7 @@ pub fn gen_win_handle(writer: &Writer, def: metadata::TypeDef) -> TokenStream {
 
     let mut tokens = quote! {
         #[repr(transparent)]
-        #[derive(PartialEq, Eq)]
+        #[derive(Clone, Copy, Debug, PartialEq, Eq)]
         pub struct #ident(pub #signature);
         #is_invalid
         #free
@@ -109,17 +109,6 @@ pub fn gen_win_handle(writer: &Writer, def: metadata::TypeDef) -> TokenStream {
                 unsafe { core::mem::zeroed() }
             }
         }
-        impl Clone for #ident {
-            fn clone(&self) -> Self {
-                *self
-            }
-        }
-        impl Copy for #ident {}
-        impl core::fmt::Debug for #ident {
-            fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
-                f.debug_tuple(#name).field(&self.0).finish()
-            }
-        }
         impl windows_core::TypeKind for #ident {
             type TypeKind = windows_core::CopyType;
         }

crates/libs/bindgen/src/rust/standalone.rs

@@ -64,18 +64,13 @@ pub fn standalone_imp(writer: &Writer) -> String {
                     "GUID",
                     quote! {
                         #[repr(C)]
+                        #[derive(Clone, Copy)]
                         pub struct GUID {
                             pub data1: u32,
                             pub data2: u16,
                             pub data3: u16,
                             pub data4: [u8; 8],
                         }
-                        impl Copy for GUID {}
-                        impl Clone for GUID {
-                            fn clone(&self) -> Self {
-                                *self
-                            }
-                        }
                         impl GUID {
                             pub const fn from_u128(uuid: u128) -> Self {
                                 Self { data1: (uuid >> 96) as u32, data2: (uuid >> 80 & 0xffff) as u16, data3: (uuid >> 64 & 0xffff) as u16, data4: (uuid as u64).to_be_bytes() }

crates/libs/core/src/imp/bindings.rs

@@ -516,18 +516,13 @@ impl Clone for FUNCDESC {
 pub type FUNCFLAGS = u16;
 pub type FUNCKIND = i32;
 #[repr(C)]
+#[derive(Clone, Copy)]
 pub struct GUID {
     pub data1: u32,
     pub data2: u16,
     pub data3: u16,
     pub data4: [u8; 8],
 }
-impl Copy for GUID {}
-impl Clone for GUID {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl GUID {
     pub const fn from_u128(uuid: u128) -> Self {
         Self { data1: (uuid >> 96) as u32, data2: (uuid >> 80 & 0xffff) as u16, data3: (uuid >> 64 & 0xffff) as u16, data4: (uuid as u64).to_be_bytes() }

crates/libs/result/src/bindings.rs

@@ -27,18 +27,13 @@ pub const FORMAT_MESSAGE_FROM_SYSTEM: FORMAT_MESSAGE_OPTIONS = 4096u32;
 pub const FORMAT_MESSAGE_IGNORE_INSERTS: FORMAT_MESSAGE_OPTIONS = 512u32;
 pub type FORMAT_MESSAGE_OPTIONS = u32;
 #[repr(C)]
+#[derive(Clone, Copy)]
 pub struct GUID {
     pub data1: u32,
     pub data2: u16,
     pub data3: u16,
     pub data4: [u8; 8],
 }
-impl Copy for GUID {}
-impl Clone for GUID {
-    fn clone(&self) -> Self {
-        *self
-    }
-}
 impl GUID {
     pub const fn from_u128(uuid: u128) -> Self {
         Self {