# The std module. The std module contains a number of general purpose types and functions for use with a wide variety of app types. The standard module includes the following namespaces: * [[std.collections]] - The Stack, List and Map container classes. * [[std.filesystem]] - Functions for working with the OS filesystem. * [[std.stream]] - The abstract Stream class, along with concrete FileStream and DataStream implementations. * [[std.memory]] - The DataBuffer class to make dealing with memory buffers easier. * [[std.graphics]] - Classes for dealing with graphics data such Pixmap and Color. * [[std.stringio]] - Utility functions to help with loading, saving and parsing strings. * [[std.random]] - Functions for generating random numbers.