From 3e44a549776c6720ed437ccbe9580d44d5fea004 Mon Sep 17 00:00:00 2001
From: Anton Tarasenko <dkanus@gmail.com>
Date: Thu, 4 Mar 2021 14:07:46 +0700
Subject: [PATCH] Fix `MutableText`'s hash code not bein constant

`MutableText`'s hash code was previously dependent on it's contents,
allowing it to change without reallocation. This patch fixes that.
---
 sources/Text/MutableText.uc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sources/Text/MutableText.uc b/sources/Text/MutableText.uc
index e6fb449..a216a70 100644
--- a/sources/Text/MutableText.uc
+++ b/sources/Text/MutableText.uc
@@ -351,6 +351,18 @@ private final function FormattedBlock CreateFormattedBlock(bool isOpening)
     return newBlock;
 }
 
+/**
+ *  Unlike `Text`, `MutableText` can change it's content and therefore it's
+ *  hash code cannot depend on it. So we restore `AcediaObject`'s behavior and
+ *  return random value, generated at the time of allocation.
+ *
+ *  @return Hash code for the caller `MutableText`.
+ */
+public function int GetHashCode()
+{
+    return super(AcediaObject).GetHashCode();
+}
+
 defaultproperties
 {
 }
\ No newline at end of file