Inserts stuff after range r, which must be a non-empty range
previously extracted from this container.
stuff can be a value convertible to T or a range of objects
convertible to T. The stable version behaves the same, but
guarantees that ranges iterating over the container are never
invalidated.
Inserts stuff after range r, which must be a non-empty range previously extracted from this container.
stuff can be a value convertible to T or a range of objects convertible to T. The stable version behaves the same, but guarantees that ranges iterating over the container are never invalidated.