# Pastebin lv83BHqX
# grondilu golfed by me example (FAILS)

class A { 
    method !foo { "bar" } 

    class B { 
        method x { A.new!foo } 
    }   
}

# redone as sub by me (PASSES)

class A { 
    sub foo { "bar" } 

    class B { 
        sub x { foo } 
    }   
}

# grondilu example rewritten by me as “lexical use of private method from inside a subclass”

class A { 
    method !foo { "bar" } 

    class B { 
        method x { self!foo } 
    }   
}