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Configurable.h
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43 lines (43 loc) · 1.24 KB
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// Copyright CERN and copyright holders of ALICE O2. This software is
// distributed under the terms of the GNU General Public License v3 (GPL
// Version 3), copied verbatim in the file "COPYING".
//
// See http://alice-o2.web.cern.ch/license for full licensing information.
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
#ifndef O2_FRAMEWORK_CONFIGURABLE_H_
#define O2_FRAMEWORK_CONFIGURABLE_H_
#include <string>
namespace o2::framework
{
/// This helper allows you to create a configurable option associated to a task.
/// Internally it will be bound to a ConfigParamSpec.
template <typename T>
struct Configurable {
Configurable(std::string const& name, T defaultValue, std::string const& help)
: name(name), value(defaultValue), help(help)
{
}
using type = T;
std::string name;
T value;
std::string help;
operator T()
{
return value;
}
T const* operator->() const
{
return &value;
}
};
template <typename T>
std::ostream& operator<<(std::ostream& os, Configurable<T> const& c)
{
os << c.value;
return os;
}
} // namespace o2::framework
#endif // O2_FRAMEWORK_CONFIGURABLE_H_