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

This is the documentation for a snapshot of the develop branch, built from commit ec9f6e560b.

Return the last character.

reference
back() const;

assert( decode_view( "Program%20Files" ).back() == 's' );

not this->empty()

Constant.

Throws nothing.