From 189664eb1c549e6004cb4fc2aa68592d6ea460a4 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=EC=9D=B4=ED=95=9C=EC=A2=85/On-Device=20Lab=28SR=29/Enginee?=
 =?utf8?q?r/=EC=82=BC=EC=84=B1=EC=A0=84=EC=9E=90?=
 <hanjoung.lee@samsung.com>
Date: Fri, 20 Sep 2019 15:57:25 +0900
Subject: [PATCH] [neurun] Implement a hash functor for enum class (#7647)

Implement a hash functor for enum class `NodeName` since Android NDK
clang requires it.

* This is a fix for Android Build

Signed-off-by: Hanjoung Lee <hanjoung.lee@samsung.com>
---
 runtimes/neurun/core/src/exec/interp/Interpreter.cc | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/runtimes/neurun/core/src/exec/interp/Interpreter.cc b/runtimes/neurun/core/src/exec/interp/Interpreter.cc
index 81de27c..1b66a14 100644
--- a/runtimes/neurun/core/src/exec/interp/Interpreter.cc
+++ b/runtimes/neurun/core/src/exec/interp/Interpreter.cc
@@ -46,6 +46,15 @@ public:
   };
 #undef OP
 
+  struct NodeNameHash
+  {
+    size_t operator()(::neurun::exec::interp::OperationExecutor::NodeName value) const noexcept
+    {
+      using type = typename std::underlying_type<NodeName>::type;
+      return std::hash<type>()(static_cast<type>(value));
+    }
+  };
+
 public:
   OperationExecutor(ExecEnv *env) : _env{env}
   {
@@ -83,7 +92,7 @@ private:
 
 private:
   ExecEnv *_env;
-  std::unordered_map<NodeName, OpKernel *> _kernels;
+  std::unordered_map<NodeName, OpKernel *, NodeNameHash> _kernels;
 };
 
 void Interpreter::run()
-- 
2.7.4