1 files changed, 0 insertions, 68 deletions
diff --git a/src/3rdparty/angle/src/common/Optional.h b/src/3rdparty/angle/src/common/Optional.h
deleted file mode 100644
index 822de4de51..0000000000
--- a/src/3rdparty/angle/src/common/Optional.h
+++ /dev/null
@@ -1,68 +0,0 @@
-//
-// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-// Optional.h:
-//   Represents a type that may be invalid, similar to std::optional.
-//
-
-#ifndef COMMON_OPTIONAL_H_
-#define COMMON_OPTIONAL_H_
-
-#include <utility>
-
-template <class T>
-struct Optional
-{
-    Optional() : mValid(false), mValue(T()) {}
-
-    Optional(const T &valueIn) : mValid(true), mValue(valueIn) {}
-
-    Optional(const Optional &other) : mValid(other.mValid), mValue(other.mValue) {}
-
-    Optional &operator=(const Optional &other)
-    {
-        this->mValid = other.mValid;
-        this->mValue = other.mValue;
-        return *this;
-    }
-
-    Optional &operator=(const T &value)
-    {
-        mValue = value;
-        mValid = true;
-        return *this;
-    }
-
-    Optional &operator=(T &&value)
-    {
-        mValue = std::move(value);
-        mValid = true;
-        return *this;
-    }
-
-    void reset() { mValid = false; }
-
-    static Optional Invalid() { return Optional(); }
-
-    bool valid() const { return mValid; }
-    const T &value() const { return mValue; }
-
-    bool operator==(const Optional &other) const
-    {
-        return ((mValid == other.mValid) && (!mValid || (mValue == other.mValue)));
-    }
-
-    bool operator!=(const Optional &other) const { return !(*this == other); }
-
-    bool operator==(const T &value) const { return mValid && (mValue == value); }
-
-    bool operator!=(const T &value) const { return !(*this == value); }
-
-  private:
-    bool mValid;
-    T mValue;
-};
-
-#endif  // COMMON_OPTIONAL_H_