35 lines
772 B
C++
35 lines
772 B
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <functional>
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namespace okapi {
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/**
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* A supplier of instances of T.
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*
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* @tparam T the type to supply
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*/
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template <typename T> class Supplier {
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public:
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explicit Supplier(std::function<T(void)> ifunc) : func(ifunc) {
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}
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virtual ~Supplier() = default;
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/**
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* Get an instance of type T. This is usually a new instance, but it does not have to be.
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* @return an instance of T
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*/
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T get() const {
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return func();
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}
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protected:
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std::function<T(void)> func;
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};
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} // namespace okapi
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