[minaguib]

Plugin functionality aside, the use case in the video demo is IMO better addressed by not worrying about line numbers at all.

Position the cursor at the start of the function, then d} (delete 1 paragraph forward). Alternatively if you don't have a clean paragraph boundary, use V to start a visual highlight, then move the cursor (up,down,},10down,whatever) to the end, then d to delete.

Then } (move 1 paragraph forward)

Then p to paste