From 136b8e462ab5c19e36289b17f3d6d079b3297ea0 Mon Sep 17 00:00:00 2001
From: Matt McCormick <matt.mccormick@kitware.com>
Date: Fri, 3 Apr 2020 16:22:26 -0400
Subject: [PATCH] BUG: Reset m_Dimension in VideoFileWriter

Identified by:

  D:\a\1\s\Modules\Video\IO\include\itkVideoFileWriter.hxx(256): warning C4834: discarding return value of function with 'nodiscard' attribute

.empty() only returns whether the container is empty or not.
---
 Modules/Video/IO/include/itkVideoFileWriter.hxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/Video/IO/include/itkVideoFileWriter.hxx b/Modules/Video/IO/include/itkVideoFileWriter.hxx
index 7c2fdf10b3d..23955fde4aa 100644
--- a/Modules/Video/IO/include/itkVideoFileWriter.hxx
+++ b/Modules/Video/IO/include/itkVideoFileWriter.hxx
@@ -253,7 +253,7 @@ VideoFileWriter<TInputVideoStream>::InitializeOutputParameters()
   const VideoStreamType * input = this->GetInput();
 
   // Set dimensions
-  m_Dimensions.empty();
+  m_Dimensions.clear();
   typename FrameType::SizeType size = input->GetFrameLargestPossibleSpatialRegion(frameNum).GetSize();
   for (unsigned int i = 0; i < FrameType::ImageDimension; ++i)
   {