change doc phrasing

Author: mj10021

library/core/src/primitive_docs.rs

@@ -1671,11 +1671,16 @@ mod prim_ref {}
 #[stable(feature = "rust1", since = "1.0.0")]
 mod prim_fn {}
 
+// Required to make auto trait impls render.
+// See src/librustdoc/passes/collect_trait_impls.rs:collect_trait_impls
+#[doc(hidden)]
+impl<Ret, T> fn(T) -> Ret {}
+
 // Fake impl that's only really used for docs.
 #[cfg(doc)]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[doc(fake_variadic)]
-/// This trait is implemented on function pointers with any number of arguments.
+/// This trait is implemented on all function pointers.
 impl<Ret, T> Clone for fn(T) -> Ret {
     fn clone(&self) -> Self {
         loop {}
@@ -1686,7 +1691,7 @@ impl<Ret, T> Clone for fn(T) -> Ret {
 #[cfg(doc)]
 #[stable(feature = "rust1", since = "1.0.0")]
 #[doc(fake_variadic)]
-/// This trait is implemented on function pointers with any number of arguments.
+/// This trait is implemented on all function pointers.
 impl<Ret, T> Copy for fn(T) -> Ret {
     // empty
 }
@@ -1699,14 +1704,9 @@ impl<Ret, T> Copy for fn(T) -> Ret {
     reason = "internal trait for implementing various traits for all function pointers"
 )]
 #[doc(fake_variadic)]
-/// This trait is implemented on function pointers with any number of arguments.
+/// This trait is implemented on all function pointers.
 impl<Ret, T> FnPtr for fn(T) -> Ret {
     fn addr(self) -> *const () {
         // empty
     }
 }
-
-// Required to make auto trait impls render.
-// See src/librustdoc/passes/collect_trait_impls.rs:collect_trait_impls
-#[doc(hidden)]
-impl<Ret, T> fn(T) -> Ret {}