From 05b6aaa130f5ffefd7d3629a8655779cd7916e66 Mon Sep 17 00:00:00 2001
From: Ivan Molodetskikh <yalterz@gmail.com>
Date: Fri, 31 Aug 2018 16:52:45 +0300
Subject: [PATCH] Add debug logging to fn-related functions

---
 src/types.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/types.rs b/src/types.rs
index 3ab639a1ac34..d64bd6ebe3a3 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -298,6 +298,8 @@ fn format_function_type<'a, I>(
     <I as Iterator>::Item: Deref,
     <I::Item as Deref>::Target: Rewrite + Spanned + 'a,
 {
+    debug!("format_function_type {:#?}", shape);
+
     // Code for handling variadics is somewhat duplicated for items, but they
     // are different enough to need some serious refactoring to share code.
     enum ArgumentKind<T>
@@ -706,6 +708,8 @@ fn rewrite_bare_fn(
     context: &RewriteContext,
     shape: Shape,
 ) -> Option<String> {
+    debug!("rewrite_bare_fn {:#?}", shape);
+
     let mut result = String::with_capacity(128);
 
     if let Some(ref lifetime_str) = rewrite_lifetime_param(context, shape, &bare_fn.generic_params)