Inheritance test for the Playdate SDK's object system

inheritance.lua

class("Parent").extends()
function Parent:foo()
    print("parent-foo")
end
function Parent:bar()
    print("parent-bar-1")
    self:foo()
    print("parent-bar-2")
end

class("Child").extends(Parent)
function Child:foo()
    print("child-foo-1")
    Child.super.foo(self)
    print("child-foo-2")
end
function Child:bar()
    print("child-bar-1")
    Child.super.bar(self)
    print("child-bar-2")
    self:foo()
    print("child-bar-3")
end

local c = Child()
c:bar()

output.txt

child-bar-1
parent-bar-1
child-foo-1
parent-foo
child-foo-2
parent-bar-2
child-bar-2
child-foo-1
parent-foo
child-foo-2
child-bar-3