From d0105600d191996ae60bec2a2ecec2485b02722a Mon Sep 17 00:00:00 2001
From: Mazdak Farrokhzad <twingoow@gmail.com>
Date: Sun, 8 Dec 2019 12:29:55 +0100
Subject: [PATCH] document parse_late_bound_lifetime_defs

---
 src/librustc_parse/parser/ty.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/librustc_parse/parser/ty.rs b/src/librustc_parse/parser/ty.rs
index 3877f3f9a62f..09697c01a54b 100644
--- a/src/librustc_parse/parser/ty.rs
+++ b/src/librustc_parse/parser/ty.rs
@@ -514,6 +514,7 @@ impl<'a> Parser<'a> {
         Ok(GenericBound::Trait(poly_trait, modifier))
     }
 
+    /// Optionally parses `for<$generic_params>`.
     pub(super) fn parse_late_bound_lifetime_defs(&mut self) -> PResult<'a, Vec<GenericParam>> {
         if self.eat_keyword(kw::For) {
             self.expect_lt()?;