STL / Containers

TwinCAT 3 C++ supports STL with regard to

• Array
• List
• Map, Unordered_Map
• Set, Unordered_Set
• Stack
• String
• Vector, Inplace_Vector
• String, wstring, u8string, u16string, u32string
• Algorithms (such as binary_search)
• See %TWINCAT3DIR%\Sdk\Include\Stl\Stl\algorithm for a specific list of supported algorithms.
• Further non STL-defined extensions can be found in %TWINCAT3DIR%\SDK\Include\Stl\StlExtend

Restrictions Class templates do not exist for all data types. Some header files should not be used directly.

More detailed documentation on memory management, which uses STL, can be found in chapter Memory allocation.