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==Language support==
Some [[Computer language|computer languages]] provide build-in merge support for [[collections]].
=== C++ ===
The [[C++]]'s [[Standard Template Library]] has the function <code>std::merge</code>, which merges two sorted ranges of [[iterator]]s, and <code>std::inplace_merge</code>, which merges two consecutive sorted ranges ''in-place''. In addition, the <code>std::list</code> (linked list) class has its own <code>merge</code> method which merges another list into itself. The type of the elements merged must support the less-than (<) operator, or it must be provided with a custom comparator.
=== Python ===
[[Python (programming language)]]'s standard library (since 2.6) also has a <code>merge()</code> function in the <code>heapq</code> module, that takes multiple sorted iterables, and merges them into a single iterator.<ref>https://docs.python.org/library/heapq.html#heapq.merge</ref>
=== C# ===
In [[CSharp|C#]], merge can be achieved with [[Language Integrated Query|LINQ]].
==Parallel merge==
In [[parallel computing]], [[Array data structure|array]]s of sorted values may be merged efficiently using an [[all nearest smaller values]] computation.<ref>{{citation |first1=Omer |last1=Berkman |first2=Baruch |last2=Schieber |first3=Uzi |last3=Vishkin |author3-link=Uzi Vishkin |title=Optimal double logarithmic parallel algorithms based on finding all nearest smaller values |journal=Journal of Algorithms |volume=14 |pages=344–370 |year=1993 |issue=3 |doi=10.1006/jagm.1993.1018}}</ref>
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