Auto merge of #94598 - scottmcm:prefix-free-hasher-methods, r=Amanieu

[rust.git] / library / core / src / internal_macros.rs

diff --git a/library/core/src/internal_macros.rs b/library/core/src/internal_macros.rs
index 417ed51c6b6a23063b3a84355397aea07d1cca20..5d4c9ba73951a6d0026699b5cb7d8bd323dcd389 100644 (file)
--- a/library/core/src/internal_macros.rs
+++ b/library/core/src/internal_macros.rs
@@ -1,10 +1,6 @@
 // implements the unary operator "op &T"
 // based on "op T" where T is expected to be `Copy`able
 macro_rules! forward_ref_unop {
-    (impl $imp:ident, $method:ident for $t:ty) => {
-        forward_ref_unop!(impl $imp, $method for $t,
-                #[stable(feature = "rust1", since = "1.0.0")]);
-    };
     (impl const $imp:ident, $method:ident for $t:ty) => {
         forward_ref_unop!(impl const $imp, $method for $t,
                 #[stable(feature = "rust1", since = "1.0.0")]);
@@ -38,10 +34,6 @@ fn $method(self) -> <$t as $imp>::Output {
 // implements binary operators "&T op U", "T op &U", "&T op &U"
 // based on "T op U" where T and U are expected to be `Copy`able
 macro_rules! forward_ref_binop {
-    (impl $imp:ident, $method:ident for $t:ty, $u:ty) => {
-        forward_ref_binop!(impl $imp, $method for $t, $u,
-                #[stable(feature = "rust1", since = "1.0.0")]);
-    };
     (impl const $imp:ident, $method:ident for $t:ty, $u:ty) => {
         forward_ref_binop!(impl const $imp, $method for $t, $u,
                 #[stable(feature = "rust1", since = "1.0.0")]);
@@ -198,7 +190,7 @@ extern "rust-call" fn call_once(self, ($( $arg, )*): ($( $ArgTy, )*)) -> $Return
 ///
 /// # Example
 ///
-/// ```
+/// ```ignore(cannot-test-this-because-non-exported-macro)
 /// cfg_if! {
 ///     if #[cfg(unix)] {
 ///         fn foo() { /* unix specific functionality */ }
@@ -230,22 +222,6 @@ macro_rules! cfg_if {
         }
     };
 
-    // match if/else chains lacking a final `else`
-    (
-        if #[cfg( $i_meta:meta )] { $( $i_tokens:tt )* }
-        $(
-            else if #[cfg( $e_meta:meta )] { $( $e_tokens:tt )* }
-        )*
-    ) => {
-        cfg_if! {
-            @__items () ;
-            (( $i_meta ) ( $( $i_tokens )* )) ,
-            $(
-                (( $e_meta ) ( $( $e_tokens )* )) ,
-            )*
-        }
-    };
-
     // Internal and recursive macro to emit all the items
     //
     // Collects all the previous cfgs in a list at the beginning, so they can be