/usr/include/votca/tools/lexical_cast.h is in libvotca-tools-dev 1.3.0-2+b2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | /*
* Copyright 2009-2011 The VOTCA Development Team (http://www.votca.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef __VOTCA_TOOLS_LEXICAL_CAST_H
#define __VOTCA_TOOLS_LEXICAL_CAST_H
#include <boost/lexical_cast.hpp>
#include <stdexcept>
#include <string>
namespace votca { namespace tools {
/**
* Wrapper for boost::lexical_cast with improved error messages
* @param arg variable to convert
* @param error additional error text
* @return converted value
*/
template<typename Target, typename Source>
inline Target lexical_cast(const Source &arg, const std::string &error)
{
try {
return boost::lexical_cast<Target,Source>(arg);
} catch(std::exception &err) {
throw std::runtime_error("invaid type: " + error);
}
}
}}
#endif /* LEXICAL_CAST_H */
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