showMethods("show")
lab_member <- s4_student()
isS4(lab_member)
slot(lab_member, "name")
methods::getClass("data.frame")
methods::isGeneric("print")
methods::getGeneric("print")
methods::isGeneric("show")
methods::getGeneric("show")
methods::showMethods("show")
methods::selectMethod("show", "genericFunction")
methods::showMethods("print")
methods::setAs()
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