23 Strings library [strings]

23.4 String classes [string.classes]

23.4.3 Class template basic_string [basic.string]

23.4.3.7 Modifiers [string.modifiers]

23.4.3.7.7 basic_string::copy [string.copy]

constexpr size_type copy(charT* s, size_type n, size_type pos = 0) const;

Effects: Equivalent to: return basic_string_view<charT, traits>(*this).copy(s, n, pos);

[Note 1:

This does not terminate s with a null object.

— end note]