func (f *filterBuilder) or(o *filterBuilder) {
	if f.subFilter != nil {
		f.setError(errSubFilterAlreadySet)
		return
	}

	f.subFilter = o
	f.subFilterOp = orOp
}
// or sets the sub-filter that will be ORed with this one.
// Sets the error state if a sub-filter is already set.
or sets the sub-filter that will be ORed with this one.
Sets the error state if a sub-filter is already set.
// or sets the sub - filter that will be ORed with this one . // Sets the error state if a sub - filter is already set .
func (f *filterBuilder) or(o *filterBuilder) {
	if f.subFilter != nil {
		f.setError(errSubFilterAlreadySet)
		return
	}
	f.subFilter = o
	f.subFilterOp = orOp
}
func ( f * filterBuilder ) or ( o * filterBuilder ) { if f . subFilter != nil { f . setError ( errSubFilterAlreadySet ) return } f . subFilter = o f . subFilterOp = orOp }
or sets the sub-filter that will be ORed with this one.
or sets the sub - filter that will be ORed with this one .