Render rustdoc cfg banner on proc-macro-only From impls

dtolnay · dtolnay · commit 92070f3bd23a · 2023-05-25T14:20:23.000-07:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -237,13 +237,15 @@ impl FromStr for TokenStream {
 }
 
 #[cfg(feature = "proc-macro")]
+#[cfg_attr(doc_cfg, doc(cfg(feature = "proc-macro")))]
 impl From<proc_macro::TokenStream> for TokenStream {
     fn from(inner: proc_macro::TokenStream) -> Self {
         TokenStream::_new(inner.into())
     }
 }
 
 #[cfg(feature = "proc-macro")]
+#[cfg_attr(doc_cfg, doc(cfg(feature = "proc-macro")))]
 impl From<TokenStream> for proc_macro::TokenStream {
     fn from(inner: TokenStream) -> Self {
         inner.inner.into()

Original file line number	Diff line number	Diff line change
`@@ -237,13 +237,15 @@ impl FromStr for TokenStream {`
`237`	`237`	`}`
`238`	`238`
`239`	`239`	`#[cfg(feature = "proc-macro")]`
	`240`	`+#[cfg_attr(doc_cfg, doc(cfg(feature = "proc-macro")))]`
`240`	`241`	`impl From<proc_macro::TokenStream> for TokenStream {`
`241`	`242`	`fn from(inner: proc_macro::TokenStream) -> Self {`
`242`	`243`	`TokenStream::_new(inner.into())`
`243`	`244`	`}`
`244`	`245`	`}`
`245`	`246`
`246`	`247`	`#[cfg(feature = "proc-macro")]`
	`248`	`+#[cfg_attr(doc_cfg, doc(cfg(feature = "proc-macro")))]`
`247`	`249`	`impl From<TokenStream> for proc_macro::TokenStream {`
`248`	`250`	`fn from(inner: TokenStream) -> Self {`
`249`	`251`	`inner.inner.into()`