Child objects with abstract parents cannot have read-only properties

[jl5000]

library(R7)

parent <- new_class("new_class", abstract = TRUE)

child <- new_class("child", parent = parent,
                   properties = list(
                     x = new_property(class_character,
                                      getter = function(self) "test") 
                       ))
child()
#> Error: Can't set read-only property <child>@x

^{Created on 2022-12-12 with reprex v2.0.2}