frame_dots()
extracts dots from a frame and
dots()
extracts dots from its arguments. The
_lsp()
versions return a pairlist that is ready to be
spliced into a call, while the regular versions return a regular
list that is usually easier to work with.
frame_dots(frame = NULL)
frame_dots_lsp(frame = NULL)
dots(...)
dots_lsp(...)
frame_dots()
and frame_dots_lsp()
never fail, even if
the frame does not contain dots. Instead they return an empty list
or NULL
respectively.