Exclude the keys of L1 out of the keys of L (If match = 'default', no type checks are done)
L1
L
match = 'default'
to remove the keys from
to remove the keys out
(?='default') to change precision
'default'
Key
Exclude the keys of
L1
out of the keys ofL
(Ifmatch = 'default'
, no type checks are done)