13.6. Introduction to Stream Manipulators
C++ provides various stream manipulators that perform formatting tasks. The stream manipulators provide capabilities such as setting field widths, setting precision, setting and unsetting format state, setting the fill character in fields, flushing streams, inserting a newline into the output stream (and flushing the stream), inserting a null character into the output stream and skipping white space in the input stream. These features are described in the following sections.