// Cannot use `super()` because BaseClass uses uncloneable default
// parameter, _even if_ a value is given at the call site.

class BaseClass()
  function BaseClass( this, arg0 := array{ 1, 2, 3 } )
  endfunction
endclass

///////////

class Foo( BaseClass )
  function Foo( this )
    super( "value given" );
  endfunction
endclass

Foo();