Added the comment #7427

reedlepee123 · reedlepee123 · commit b7e9b0ce3241 · 2013-10-29T21:16:02.000+05:30
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
@@ -340,7 +340,7 @@ pub struct Parser {
     mod_path_stack: @mut ~[@str],
     /// Stack of spans of open delimiters. Used for error message.
     open_braces: @mut ~[Span]
-    ///	removed empty drop function and added a priv new_field of type std::util::NonCopyable
+    /* do not copy the parser; its state is tied to outside state */
     priv new_field: util::NonCopyable
 }
 

Original file line number	Diff line number	Diff line change
`@@ -340,7 +340,7 @@ pub struct Parser {`
`340`	`340`	`mod_path_stack: @mut ~[@str],`
`341`	`341`	`/// Stack of spans of open delimiters. Used for error message.`
`342`	`342`	`open_braces: @mut ~[Span]`
`343`		`- /// removed empty drop function and added a priv new_field of type std::util::NonCopyable`
	`343`	`+ /* do not copy the parser; its state is tied to outside state */`
`344`	`344`	`priv new_field: util::NonCopyable`
`345`	`345`	`}`
`346`	`346`