In instantiating the ImmutableString, the function pointers to the get and length methods actually refer to the String.get and String.length method, by going through the base variable which is an internally stored String object. The use of a function pointer can achieve inheritance of a method from a superclass.
Most women will start to show at some point between weeks 12 and 24 of pregnancy, with most reporting that they began to show during the first half of their second trimester, between 12 and 18 weeks.
Changes In Your Body. Some women start noticing changes in their skin at 12 weeks pregnant. You may notice for example that you have more freckles or that the freckles you have seem darker. Some women will grow a dark line down their stomach referred to as the linea nigra. This usually pops out sometime at the end of the first trimester.