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30 lines
891 B
30 lines
891 B
1 year ago
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_C_STR_H
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#define IGL_C_STR_H
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#include <sstream>
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#include <string>
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/// Convert a stream of things to a const char *.
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///
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/// Suppose you have a function:
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/// \code{cpp}
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/// void func(const char * c);
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/// \endcode
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/// Then you can write:
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/// \code{cpp}
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/// func(C_STR("foo"<<1<<"bar"));
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/// \endcode
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/// which is equivalent to:
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/// \code{cpp}
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/// func("foo1bar");
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/// \endcode
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///
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// http://stackoverflow.com/a/2433143/148668
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#define C_STR(X) static_cast<std::ostringstream&>(std::ostringstream().flush() << X).str().c_str()
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#endif
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