Put doc cfg on extra-traits impls

dtolnay · Nov 21, 2020 · 99be307 · 99be307
1 parent 82777db
commit 99be307
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Showing 11 changed files with 746 additions and 0 deletions.
diff --git a/codegen/src/debug.rs b/codegen/src/debug.rs
@@ -81,6 +81,7 @@ fn expand_impl(defs: &Definitions, node: &Node) -> TokenStream {
 
     quote! {
         #cfg_features
+        #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
         impl Debug for #ident {
             fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
                 #body

diff --git a/codegen/src/eq.rs b/codegen/src/eq.rs
@@ -113,6 +113,7 @@ fn expand_impl(defs: &Definitions, node: &Node) -> TokenStream {
 
     let eq = quote! {
         #cfg_features
+        #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
         impl Eq for #ident {}
     };
 
@@ -132,6 +133,7 @@ fn expand_impl(defs: &Definitions, node: &Node) -> TokenStream {
         #eq
 
         #cfg_features
+        #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
         impl PartialEq for #ident {
             fn eq(&self, #other: &Self) -> bool {
                 #body

diff --git a/codegen/src/hash.rs b/codegen/src/hash.rs
@@ -131,6 +131,7 @@ fn expand_impl(defs: &Definitions, node: &Node) -> TokenStream {
 
     quote! {
         #cfg_features
+        #[cfg_attr(doc_cfg, doc(cfg(feature = "extra-traits")))]
         impl Hash for #ident {
             fn hash<H>(&self, #state: &mut H)
             where