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.
1 doctor agreed: It depends: Women may start to show the pregnancy at different times. It depends on the woman's body type, her usual abdomen size, and amount of body fat as well as how fast the baby is growing. It is also different when there are twins or more babies.