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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vector>
namespace vespalib {
/**
* Simple utility used to bundle together parameters of the same type
* that are to be passed to some function as a vector.
**/
template <typename T>
class Box
{
private:
std::vector<T> _values;
public:
Box &add(const T &t) {
_values.push_back(t);
return *this;
}
operator const std::vector<T> &() const { return _values; }
};
template <typename T>
Box<T> make_box(const T &t1) {
return Box<T>().add(t1);
}
template <typename T>
Box<T> make_box(const T &t1, const T &t2) {
return Box<T>().add(t1).add(t2);
}
template <typename T>
Box<T> make_box(const T &t1, const T &t2, const T &t3) {
return Box<T>().add(t1).add(t2).add(t3);
}
template <typename T>
Box<T> make_box(const T &t1, const T &t2, const T &t3, const T &t4) {
return Box<T>().add(t1).add(t2).add(t3).add(t4);
}
template <typename T>
Box<T> make_box(const T &t1, const T &t2, const T &t3, const T &t4, const T &t5)
{
return Box<T>().add(t1).add(t2).add(t3).add(t4).add(t5);
}
template <typename T>
Box<T> make_box(const T &t1, const T &t2, const T &t3, const T &t4, const T &t5, const T &t6)
{
return Box<T>().add(t1).add(t2).add(t3).add(t4).add(t5).add(t6);
}
} // namespace vespalib
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