Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Move characters from the output sequence to the input sequence.
void commit( std::size_t n);
Appends n characters from
the start of the output sequence to the input sequence. The beginning of
the output sequence is advanced by n
characters.
Requires a preceding call prepare(x)
where x >=
n, and no intervening operations
that modify the input or output sequence.
If n is greater than
the size of the output sequence.