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https://github.com/wpilibsuite/allwpilib
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8ac45f20bb
Add reference to which VendorDep the class is included in. Add missing OldCommands C++ Documentation (copied from Java).
37 lines
973 B
C++
37 lines
973 B
C++
// Copyright (c) FIRST and other WPILib contributors.
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// Open Source Software; you can modify and/or share it under the terms of
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// the WPILib BSD license file in the root directory of this project.
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#pragma once
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#include <memory>
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#include <type_traits>
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#include <utility>
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#include "frc2/command/Command.h"
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namespace frc2 {
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/**
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* CRTP implementation to allow polymorphic decorator functions in Command.
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*
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* <p>Note: ALWAYS create a subclass by extending CommandHelper<Base, Subclass>,
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* or decorators will not function!
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*
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* This class is provided by the NewCommands VendorDep
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*/
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template <typename Base, typename CRTP,
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typename = std::enable_if_t<std::is_base_of_v<Command, Base>>>
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class CommandHelper : public Base {
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using Base::Base;
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public:
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CommandHelper() = default;
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protected:
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std::unique_ptr<Command> TransferOwnership() && override {
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return std::make_unique<CRTP>(std::move(*static_cast<CRTP*>(this)));
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}
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};
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} // namespace frc2
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