check_dfll_subitems_are_fns: Check if items of a distance metrics list-like object are functions
Description
Check if items of a distance metrics list-like object are functions
Usage
check_dfll_subitems_are_fns(dfll)
Value
Doesn't return any value. Raises error if the items of dfll are
not functions.
Arguments
- dfll
A distance metrics list-like list object to be validated.