From: Steven Fackler <sfackler@gmail.com>
Date: Thu, 22 May 2014 02:02:40 +0000 (-0700)
Subject: Whitelist doc attributes
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=24f98c6d7a1dcf878e13f506d9b164fa54657503;p=rust.git

Whitelist doc attributes

This is a bit overly permissive but should be okay for now.
---

diff --git a/src/librustc/middle/lint.rs b/src/librustc/middle/lint.rs
index 5f7376396e4..5315b223344 100644
--- a/src/librustc/middle/lint.rs
+++ b/src/librustc/middle/lint.rs
@@ -1147,6 +1147,9 @@ fn check_attrs_usage(cx: &Context, attrs: &[ast::Attribute]) {
 
 fn check_unused_attribute(cx: &Context, attrs: &[ast::Attribute]) {
     for attr in attrs.iter() {
+        // whitelist docs since rustdoc looks at them
+        attr.check_name("doc");
+
         if !attr::is_used(attr) {
             cx.span_lint(UnusedAttribute, attr.span, "unused attribute");
         }