type for points

type for Roman numerals

a room in the cave

a room in the cave

type for rational numbers

type for money with 4/5 rounding rule

a very simple user-defined type

a very simple user-defined type

a very simple user-defined type

a very simple user-defined type

type for ISBN of the form n-n-n-x

type for customers

a very simple user-defined type

Color is the type we use to represent color. We can use Color like this: grid.set_color(Color::red);

keep track of line and character position within a line

simple Book type

simple Date (use Month type):

function object to find strings starting with specific character

We can represent the set of fruits used in the map example (�21.6.2) like this:

function object to find strings of a specific length

An exception of this type is thrown when back substitution fails.