[pairs.general] # 22 General utilities library [[utilities]](./#utilities) ## 22.3 Pairs [[pairs]](pairs#general) ### 22.3.1 General [pairs.general] [1](#1) [#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L737) The library provides a template for heterogeneous pairs of values[.](#1.sentence-1) The library also provides a matching function template to simplify their construction and several templates that provide access to pair objects as if they were tuple objects (see [[tuple.helper]](tuple.helper "22.4.7 Tuple helper classes") and [[tuple.elem]](tuple.elem "22.4.8 Element access"))[.](#1.sentence-2)