Ignore unrecognized forms of #[doc ...]

yvt · yvt · commit b333e79220b2 · 2020-10-22T00:22:52.000+09:00
Closes #2.
diff --git a/example/src/lib.rs b/example/src/lib.rs
@@ -33,6 +33,7 @@ pub mod module {
     //! ```
 }
 
+#[doc(cfg(feature = "xxx"))]
 #[cfg_attr(doc, svgbobdoc::transform)]
 /// Some function.
 ///
diff --git a/src/lib.rs b/src/lib.rs
@@ -100,10 +100,8 @@ impl MaybeDocAttr {
                     Err(Error::new(nv.lit.span(), "doc comment must be a string"))
                 }
             } else {
-                Err(Error::new(
-                    meta.span(),
-                    "doc comment must be a name-value attribute",
-                ))
+                // Ignore unrecognized form
+                Ok(MaybeDocAttr::Other(attr))
             }
         } else {
             Ok(MaybeDocAttr::Other(attr))

Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,7 @@ pub mod module {`
`33`	`33`	//! ```
`34`	`34`	`}`
`35`	`35`
	`36`	`+#[doc(cfg(feature = "xxx"))]`
`36`	`37`	`#[cfg_attr(doc, svgbobdoc::transform)]`
`37`	`38`	`/// Some function.`
`38`	`39`	`///`
Original file line number	Diff line number	Diff line change
`@@ -100,10 +100,8 @@ impl MaybeDocAttr {`
`100`	`100`	`Err(Error::new(nv.lit.span(), "doc comment must be a string"))`
`101`	`101`	`}`
`102`	`102`	`} else {`
`103`		`- Err(Error::new(`
`104`		`- meta.span(),`
`105`		`- "doc comment must be a name-value attribute",`
`106`		`- ))`
	`103`	`+ // Ignore unrecognized form`
	`104`	`+ Ok(MaybeDocAttr::Other(attr))`
`107`	`105`	`}`
`108`	`106`	`} else {`
`109`	`107`	`Ok(MaybeDocAttr::Other(attr))`