From ad628f6accd7024305c8a564fbdf177ba5068ba3 Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Mon, 12 Jun 2017 18:34:38 +0900
Subject: [PATCH] Force multi line if the first attempt of rewriting args
 failed

---
 src/expr.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/expr.rs b/src/expr.rs
index b47bf391ac1..cbe8671fd92 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -1721,6 +1721,20 @@ fn rewrite_call_inner(context: &RewriteContext,
                                                    nested_shape,
                                                    one_line_width,
                                                    force_trailing_comma)
+        .or_else(|| if context.use_block_indent() {
+                     rewrite_call_args(context,
+                                       args,
+                                       args_span,
+                                       Shape::indented(shape
+                                                           .block()
+                                                           .indent
+                                                           .block_indent(context.config),
+                                                       context.config),
+                                       0,
+                                       force_trailing_comma)
+                 } else {
+                     None
+                 })
         .ok_or(Ordering::Less)?;
 
     if !context.use_block_indent() && need_block_indent(&list_str, nested_shape) && !extendable {