.nil for any method not defined by a class scope.
scopes = .Stem~new
scopes[] = 0
loop with item method over .List~methods
scopes[method~scope] += 1 -- possible output:
end -- 27 methods from The List class
loop scope over scopes -- 19 methods from The Collection class
say scopes[scope] "methods from" scope -- 20 methods from The OrderedCollection class
end -- 31 methods from The Object class
.Method~new("any", "nop")~scope -- .nil
.methods["FLOAT"]~scope -- .nil
::method float