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#ifndef CSV_COMFUNC_HXX
#define CSV_COMFUNC_HXX

#include <stdlib.h>




namespace csv
{
    class String;


// min, max and range functions
template <class E>
inline E            max(E in1, E in2);
template <class E>
inline E            min(E in1, E in2);
template <class E>
inline bool         in_range(E low, E val, E high);    // return low <= val < high;


// string functions
inline const char * valid_str(const char * str);
inline bool         no_str(const char * str);       // return !str || !strlen(str)


// IMPLEMENTATION
template <class E>
inline E
max(E in1, E in2)   { return in1 < in2 ? in2 : in1; }
template <class E>
inline E
min(E in1, E in2)   { return in1 < in2 ? in1 : in2; }
template <class E>
inline bool
in_range(E low, E val, E high) { return low <= val AND val < high; }

inline const char *
valid_str(const char * str) { return str != 0 ? str : ""; }
inline bool
no_str(const char * str) { return str != 0 ? *str == '\0' : true; }

}   // namespace csv

#define NON_COPYABLE(xy) \
    private: xy(const xy &); xy & operator=(const xy &)

#endif

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