Книга: Standard Template Library Programmer



Categories: algorithms, utilities

Component type: function


Max is an overloaded name; there are actually two max functions.

template <class T>
const T& max(const T& a, const T& b);
template <class T, class BinaryPredicate>
const T& max(const T& a, const T& b, BinaryPredicate comp);


Max returns the greater of its two arguments; it returns the first argument if neither is greater than the other.

The two versions of max differ in how they define whether one element is less than another. The first version compares objects using operator<, and the second compares objects using the function object comp.


Defined in the standard header algorithm, and in the nonstandard backward-compatibility header algo.h.

Requirements on types

For the first version:

• T is a model of LessThan Comparable.

For the second version:

• BinaryPredicate is a model of Binary Predicate.

• T is convertible to BinaryPredicate's first argument type and to its second argument type.


const int x = max(3, 9);
assert(x == 9);

See also

min, min_element, max_element, LessThan Comparable

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