.. _program_listing_file_README.md: Program Listing for File README.md ================================== |exhale_lsh| :ref:`Return to documentation for file ` (``README.md``) .. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS .. code-block:: md # rmw_implementation Proxy implementation of the ROS 2 Middleware Interface, forwarding calls to the chosen (and dynamically loaded) `rmw` implementation. `RMW_IMPLEMENTATION` environment variable, if set, allows the user to select one of the available `rmw` implementations. Otherwise, the default `rmw` implementation will be used. Refer to `rmw_implementation_cmake` package to learn about this default. ## Quality Declaration This package claims to be in the **Quality Level 1** category, see the [Quality Declaration](./QUALITY_DECLARATION.md) for more details.