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SizeOf

Synopsis

     function SizeOf (var x): SizeType;

Description

Returns the size of a type or variable in bytes.

SizeOf can be applied to expressions and type names. If the argument is a polymorphic object, the size of its actual type is returned.

Conforming to

SizeOf is a UCSD Pascal extension.

Example

     program SizeOfDemo;
     var
       a: Integer;
       b: array [1 .. 8] of Char;
     begin
       WriteLn (SizeOf (a));        { Size of an `Integer'; often 4 bytes. }
       WriteLn (SizeOf (Integer));  { The same. }
       WriteLn (SizeOf (b))         { Size of eight `Char's; usually 8 bytes. }
     end.

See also

BitSizeOf, AlignOf, TypeOf.