sltk_util.h

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#ifndef UTIL_H
#define UTIL_H
 
#include <string>
 
/*** Data ***/
 
static struct { template<typename T> operator T*() const { return static_cast<T*>(0); } } NullPtr;
 
/*** Function ***/
template<typename exception>
static inline void affirm(const bool b)
 
{ if (!b) throw exception(); }
 
template<typename exception>
static inline void affirm(const bool b, const char* const message)
 
{ if (!b) throw exception(message); }
 
template<typename exception>
static inline void affirm(const bool b, const std::string& message)
 
{ if (!b) throw exception(message); }
 
#endif