Function: --select
--select is a function alias for --filter, defined in dash.el.
Signature
(--select FORM LIST)
Documentation
Return a new list of the items in LIST for which FORM evals to non-nil.
Each element of LIST in turn is bound to it and its index
within LIST to it-index before evaluating FORM.
This is the anaphoric counterpart to -filter.
For the opposite operation, see also --remove.