From bfaeac202af48a70e4a82d8ffb92fe85573af3a1 Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Fri, 3 Nov 2017 08:57:38 +0900
Subject: [PATCH] Add a comment on args_have_many_closure()

---
 src/expr.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/expr.rs b/src/expr.rs
index 89cb29881bd3..09b9a4e622e1 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -2350,6 +2350,7 @@ where
     }
 }
 
+/// Returns true if the given vector of arguments has more than one `ast::ExprKind::Closure`.
 fn args_have_many_closure<T>(args: &[&T]) -> bool
 where
     T: ToExpr,