Merge #9329

9329: internal: add Copy to minicore r=matklad a=matklad

bors r+
🤖

Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>

crates/ide/src/hover.rs

@@ -3014,8 +3014,8 @@ fn foo() {
                                     file_id: FileId(
                                         1,
                                     ),
-                                    full_range: 248..430,
-                                    focus_range: 287..293,
+                                    full_range: 250..432,
+                                    focus_range: 289..295,
                                     name: "Future",
                                     kind: Trait,
                                     description: "pub trait Future",

crates/test_utils/src/minicore.rs

@@ -23,6 +23,8 @@
 //!     iterator: option
 //!     iterators: iterator
 //!     default: sized
+//!     clone: sized
+//!     copy: clone
 //!     from: sized
 //!     eq: sized
 //!     ord: eq, option
@@ -40,6 +42,38 @@ pub trait Sized {}
     #[lang = "unsize"]
     pub trait Unsize<T: ?Sized> {}
     // endregion:unsize
+
+    // region:copy
+    #[lang = "copy"]
+    pub trait Copy: Clone {}
+    // region:derive
+    #[rustc_builtin_macro]
+    pub macro Copy($item:item) {}
+    // endregion:derive
+
+    mod copy_impls {
+        use super::Copy;
+
+        macro_rules! impl_copy {
+            ($($t:ty)*) => {
+                $(
+                    impl Copy for $t {}
+                )*
+            }
+        }
+
+        impl_copy! {
+            usize u8 u16 u32 u64 u128
+            isize i8 i16 i32 i64 i128
+            f32 f64
+            bool char
+        }
+
+        impl<T: ?Sized> Copy for *const T {}
+        impl<T: ?Sized> Copy for *mut T {}
+        impl<T: ?Sized> Copy for &T {}
+    }
+    // endregion:copy
 }
 
 // region:default
@@ -50,6 +84,19 @@ pub trait Default: Sized {
 }
 // endregion:default
 
+// region:clone
+pub mod clone {
+    #[lang = "clone"]
+    pub trait Clone: Sized {
+        fn clone(&self) -> Self;
+    }
+    // region:derive
+    #[rustc_builtin_macro]
+    pub macro Clone($item:item) {}
+    // endregion:derive
+}
+// endregion:clone
+
 // region:from
 pub mod convert {
     pub trait From<T>: Sized {
@@ -114,9 +161,11 @@ pub trait DerefMut: Deref {
         }
         // endregion:deref_mut
     }
-    pub use self::deref::Deref;
-    pub use self::deref::DerefMut; //:deref_mut
-                                   // endregion:deref
+    pub use self::deref::{
+        Deref,
+        DerefMut, // :deref_mut
+    };
+    // endregion:deref
 
     // region:range
     mod range {
@@ -402,12 +451,14 @@ pub(crate) mod builtin {
 pub mod prelude {
     pub mod v1 {
         pub use crate::{
+            clone::Clone,                       // :clone
             cmp::{Eq, PartialEq},               // :eq
             cmp::{Ord, PartialOrd},             // :ord
             convert::{From, Into},              // :from
             default::Default,                   // :default
             iter::{IntoIterator, Iterator},     // :iterator
             macros::builtin::derive,            // :derive
+            marker::Copy,                       // :copy
             marker::Sized,                      // :sized
             ops::{Fn, FnMut, FnOnce},           // :fn
             option::Option::{self, None, Some}, // :option