fi.without = function without(is, e, m) {
switch(e) {
case "__empty__":
e = _.not(_.isEmpty); m = 'filter';
}
return _[ m || 'without' ]( is , e );
};
return _.map(is, function(i) {
i = _[m || 'pick']( rp? i[rp] : i, ps );
return _.filter(_.without(_.values(i), undefined), _.not(_.isEmpty)).length === ps.length ? i : {};
});