basic_static_string::insert (9 of 11 overloads)

Insert into the string.

constexpr iterator
insert(
    const_iterator pos,
    std::initializer_list< value_type > ilist);

Inserts characters from ilist before pos.

posshall be valid within {data(), data() + size()}

Strong guarantee.

All references, pointers, or iterators referring to contained elements are invalidated. Any past-the-end iterators are also invalidated.

An iterator which refers to the first inserted character or pos if no characters were inserted

Name	Description
`pos`	The position to insert at.
`ilist`	The initializer list from which to insert.

Type	Thrown On
`std::length_error`	`size() + ilist.size() > max_size()`