libsyntax: deny warnings in doctests

src/libsyntax/ext/deriving/generic/mod.rs

@@ -54,6 +54,7 @@
 //! following snippet
 //!
 //! ```rust
+//! # #![allow(dead_code)]
 //! struct A { x : i32 }
 //!
 //! struct B(i32);
@@ -88,7 +89,7 @@
 //!
 //! ```rust
 //! trait PartialEq {
-//!     fn eq(&self, other: &Self);
+//!     fn eq(&self, other: &Self) -> bool;
 //! }
 //! impl PartialEq for i32 {
 //!     fn eq(&self, other: &i32) -> bool {
@@ -905,7 +906,7 @@ impl<'a> MethodDef<'a> {
         })
     }
 
-    /// ```
+    /// ```ignore
     /// #[derive(PartialEq)]
     /// struct A { x: i32, y: i32 }
     ///
@@ -1010,7 +1011,7 @@ impl<'a> MethodDef<'a> {
                                       &StaticStruct(struct_def, summary))
     }
 
-    /// ```
+    /// ```ignore
     /// #[derive(PartialEq)]
     /// enum A {
     ///     A1,
@@ -1596,7 +1597,7 @@ pub fn cs_fold<F>(use_foldl: bool,
 /// Call the method that is being derived on all the fields, and then
 /// process the collected results. i.e.
 ///
-/// ```
+/// ```ignore
 /// f(cx, span, vec![self_1.method(__arg_1_1, __arg_2_1),
 ///                  self_2.method(__arg_1_2, __arg_2_2)])
 /// ```

src/libsyntax/ext/format.rs

@@ -77,9 +77,10 @@ struct Context<'a, 'b:'a> {
 /// expressions.
 ///
 /// If parsing succeeds, the return value is:
-///
-///     Some((fmtstr, unnamed arguments, ordering of named arguments,
-///           named arguments))
+/// ```ignore
+/// Some((fmtstr, unnamed arguments, ordering of named arguments,
+///       named arguments))
+/// ```
 fn parse_args(ecx: &mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
               -> Option<(P<ast::Expr>, Vec<P<ast::Expr>>, Vec<String>,
                          HashMap<String, P<ast::Expr>>)> {