From 381ffcb474c6df8cb7f17f0beced787727a7cd1c Mon Sep 17 00:00:00 2001
From: Prianka Liz Kariat <prianka.kariat@ymedialabs.com>
Date: Thu, 4 May 2023 17:10:07 +0530
Subject: [PATCH] Added hash implementation for iOS normalized keypoint

---
 .../tasks/ios/components/containers/sources/MPPDetection.m | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mediapipe/tasks/ios/components/containers/sources/MPPDetection.m b/mediapipe/tasks/ios/components/containers/sources/MPPDetection.m
index c245478d..c61cf0b3 100644
--- a/mediapipe/tasks/ios/components/containers/sources/MPPDetection.m
+++ b/mediapipe/tasks/ios/components/containers/sources/MPPDetection.m
@@ -28,7 +28,12 @@
   return self;
 }
 
-// TODO: Implement hash
+- (NSUInteger)hash {
+  NSUInteger nonNullPropertiesHash =
+      @(self.location.x).hash ^ @(self.location.y).hash ^ @(self.score).hash;
+
+  return self.label ? nonNullPropertiesHash ^ self.label.hash : nonNullPropertiesHash;
+}
 
 - (BOOL)isEqual:(nullable id)object {
   if (!object) {