From 2059589f5420bed3d490822fc9560db3c3a21515 Mon Sep 17 00:00:00 2001
From: Matti Niemenmaa <matti.niemenmaa+git@iki.fi>
Date: Mon, 1 Oct 2018 11:58:57 +0300
Subject: Avoid panic on pretty string ending in single quote

Fixes #262.
---
 src/ser.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/ser.rs')

diff --git a/src/ser.rs b/src/ser.rs
index 9d989db..9f36f59 100644
--- a/src/ser.rs
+++ b/src/ser.rs
@@ -585,6 +585,10 @@ impl<'a> Serializer<'a> {
                     }
                 }
             }
+            if can_be_pretty && found_singles > 0 && value.ends_with('\'') {
+                // We cannot escape the ending quote so we must use """
+                can_be_pretty = false;
+            }
             if !can_be_pretty {
                 debug_assert!(ty != Type::OnelineTripple);
                 return Repr::Std(ty);
-- 
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