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C++ Language/Std/Stl/Algorithms/Modifying/Removing

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C++ Language
  1. Overview
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  13. Obsolete Features

The std::remove() algorithm doesn't actually remove any items. Instead, it shifts the items-to-be-removed to the end of the collection. You need to call the collection class' item-removal function in order to complete the removal process.

Additional information about algorithms for the removal of items

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