Руководство по стандартной библиотеке шаблонов STL

       

is odd and positive"


#include <iostream.h> #include <stl.h>

struct odd : public unary_function<int, bool> { odd () {} bool operator () (int n_) const { return (n_ % 2) == 1; } };

struct positive : public unary_function<int, bool> { positive () {} bool operator () (int n_) const { return n_ >= 0; } };

int array [6] = { -2, -1, 0, 1, 2, 3 };

int main () { binary_compose<logical_and<bool>, odd, positive> b (logical_and<bool> (), odd (), positive ()); int* p = find_if (array, array + 6, b); if (p != array + 6) cout << *p << " is odd and positive" << endl;

return 0; }



#include <iostream.h> #include <stl.h>

struct odd : public unary_function<int, bool> { odd () {} bool operator () (int n_) const { return (n_ % 2) == 1; } };

struct positive : public unary_function<int, bool> { positive () {} bool operator () (int n_) const { return n_ >= 0; } };

int array [6] = { -2, -1 , 0, 1, 2, 3 };

int main () { int* p = find_if (array, array + 6, compose2 (logical_and<bool> (), odd (), positive ())); if (p != array + 6) cout << *p << " is odd and positive" << endl; return 0; }


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