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* merge training kernels to master * merge training kernels to master * revert two files * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master * merge training kernels to master
42 lines
1,005 B
C++
42 lines
1,005 B
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#pragma once
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#include "core/common/common.h"
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namespace onnxruntime {
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// This is a version of std::optional with limited functionality and plenty of
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// room to improve. We should use std::optional when we move to C++17.
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template <typename T>
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class optional {
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public:
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optional() : has_value_{false}, value_{} {}
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optional(const optional&) = default;
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optional& operator=(const optional&) = default;
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optional(optional&&) = default;
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optional& operator=(optional&&) = default;
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optional(T value) : has_value_{true}, value_{value} {}
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optional& operator=(T value) {
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has_value_ = true;
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value_ = value;
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return *this;
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}
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bool has_value() const { return has_value_; }
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const T& value() const {
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ORT_ENFORCE(has_value_);
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return value_;
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}
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T& value() {
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ORT_ENFORCE(has_value_);
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return value_;
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}
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private:
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bool has_value_;
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T value_;
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};
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} // namespace onnxruntime
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