Move stuff not related to pasting out of method_new

Author: dtolnay

README.md

@@ -127,17 +127,15 @@ use paste::paste;
 
 macro_rules! method_new {
     ($ret:ident) => {
-        pub struct $ret {}
-
-        impl $ret {
-            paste! {
-                #[doc = "Create a new `" $ret "` object."]
-                pub fn new() -> $ret { todo!() }
-            }
+        paste! {
+            #[doc = "Create a new `" $ret "` object."]
+            pub fn new() -> $ret { todo!() }
         }
     };
 }
 
+pub struct Paste {}
+
 method_new!(Paste);  // expands to #[doc = "Create a new `Paste` object"]
 ```
 

src/lib.rs

@@ -125,17 +125,15 @@
 //!
 //! macro_rules! method_new {
 //!     ($ret:ident) => {
-//!         pub struct $ret {}
-//!
-//!         impl $ret {
-//!             paste! {
-//!                 #[doc = "Create a new `" $ret "` object."]
-//!                 pub fn new() -> $ret { todo!() }
-//!             }
+//!         paste! {
+//!             #[doc = "Create a new `" $ret "` object."]
+//!             pub fn new() -> $ret { todo!() }
 //!         }
 //!     };
 //! }
 //!
+//! pub struct Paste {}
+//!
 //! method_new!(Paste);  // expands to #[doc = "Create a new `Paste` object"]
 //! ```