pair

std/pair.h

• Member Variables
• Member Functions
  • Constructor
• Non-Member Variables
  • Comparison

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template <class type1, class type2> struct pair

Contains two values of different types to facilitate comparison, search, and sorting.

Member Variables

• type1 first
• type2 second

Member Functions

Constructor

Constructs a pair, initializing its contents depending on the constructor version used. pair() is the default constructor, calling the default constructors of first and second.

pair(type1 f, type2 s) sets first to f and second to s.

Non-Member Functions

Comparison

operator==(pair<type1, type2> p1, pair<type1, type2> p2)
operator!=(pair<type1, type2> p1, pair<type1, type2> p2)
operator<(pair<type1, type2> p1, pair<type1, type2> p2)
operator>(pair<type1, type2> p1, pair<type1, type2> p2)
operator<=(pair<type1, type2> p1, pair<type1, type2> p2)
operator>=(pair<type1, type2> p1, pair<type1, type2> p2)

Compares two pairs by comparing first followed by second.