document parse_late_bound_lifetime_defs

2019-12-08 12:29:55 +01:00 · 2019-12-08 12:29:55 +01:00 · d0105600d1
commit d0105600d1
parent f221b394de
1 changed files with 1 additions and 0 deletions
--- 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()?;