basic_static_string::assign (7 of 12 overloads)

Replace the contents.

BOOST_STATIC_STRING_CPP14_CONSTEXPR basic_static_string&
assign(
    const_pointer s);

Replace the contents with a copy of a null terminated string s

Type	Thrown On
`std::length_error`	if `traits_type::length(s) > max_size()`

*this