Provide better names for builtin deriving-generated attributes

2018-04-15 20:51:10 +01:00
parent 21dae950be
commit 4ae9488ce8
10 changed files with 19 additions and 15 deletions
--- a/src/libsyntax_ext/deriving/debug.rs
+++ b/src/libsyntax_ext/deriving/debug.rs
@@ -40,7 +40,7 @@ pub fn expand_deriving_debug(cx: &mut ExtCtxt,
                          name: "fmt",
                          generics: LifetimeBounds::empty(),
                          explicit_self: borrowed_explicit_self(),
-                          args: vec![fmtr],
+                          args: vec![(fmtr, "_f")],
                          ret_ty: Literal(path_std!(cx, fmt::Result)),
                          attributes: Vec::new(),
                          is_unsafe: false,