func SetSeparator(s string) OptionFunc {
	return WithSeparator(s)
}
SetSeparator set custom separator for traversing child node, default separator is DOT (.)
Deprecated - use WithSeparator
package gojsonq
import "errors"
type option struct {
	decoder   Decoder
	separator string
}
type OptionFunc func(*JSONQ) error
func SetDecoder(u Decoder) OptionFunc {
	return WithDecoder(u)
}