<b>Effects</b>: Erases the first element of the list. No destructors are called. <b>Throws</b>: Nothing. <b>Complexity</b>: Constant. <b>Note</b>:

* As snprintf is not available everywhere, we provide our own * implementation. This function has nothing to do with BIOs, but it's * closely relate

\brief Return a const iterator to the element \e i \param i index of the element

capacity:

First, performs semantic actions for 'oa'. Then, stores in 'm' all options that are defined in 'desc'.

iterators:

Get access to the underlying stream_buf

Number of values in array or object