From 3c1d352dc4a66cae9127cf677ec5e609aee1b7ae Mon Sep 17 00:00:00 2001
From: Igor Matuszewski <Xanewok@gmail.com>
Date: Sun, 9 Jun 2019 14:20:29 +0200
Subject: [PATCH] Add a doc comment for scan_raw_string

---
 src/libsyntax/parse/lexer/mod.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libsyntax/parse/lexer/mod.rs b/src/libsyntax/parse/lexer/mod.rs
index 71fa4bdb2cf..7f190bd7410 100644
--- a/src/libsyntax/parse/lexer/mod.rs
+++ b/src/libsyntax/parse/lexer/mod.rs
@@ -1242,6 +1242,8 @@ fn scan_double_quoted_string(&mut self, unterminated_msg: &str) -> ast::Name {
         id
     }
 
+    /// Scans a raw (byte) string, returning byte position range for `"<literal>"`
+    /// (including quotes) along with `#` character count in `(b)r##..."<literal>"##...`;
     fn scan_raw_string(&mut self) -> (BytePos, BytePos, u16) {
         let start_bpos = self.pos;
         self.bump();
-- 
2.44.0