What is std::pair for, why would I use it, and what benefits does boost::compressed_pair bring?
What is std::pair for, why would I use it, and what benefits does boost::compressed_pair
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What is std::pair for, why would I use it, and what benefits does boost::compressed_pair bring?
std::pairis a data type for grouping two values together as a single object.std::mapuses it for key, value pairs.While you’re learning
pair, you might check outtuple. It’s likepairbut for grouping an arbitrary number of values.tupleis part of TR1 and many compilers already include it with their Standard Library implementations.Also, checkout Chapter 1, ‘Tuples,’ of the book The C++ Standard Library Extensions: A Tutorial and Reference by Pete Becker, ISBN-13: 9780321412997, for a thorough explanation.