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### Card

#### Synopsis

         function Card (S: any_set): Integer;

#### Description

The function `Card (S)` returns the number of elements in the set `S`.

#### Conforming to

`Card` is an ISO 10206 Extended Pascal extension.

#### Example

         program CardDemo;
         var
           Foo: set of 1 .. 100;
         begin
           Foo := [1, 2, 3, 5, 1, 1, 1, 2, 2, 2, 3, 3, 5, 5];  { four elements }
           WriteLn ('foo consists of ', Card (Foo), ' elements')
         end.

#### See also

set