ISO Pascal reference manual

PROGRAM fail;
TYPE ok = (red, yellow, green, blue);
PROCEDURE thing;
CONST bad1 = —'a';
BEGIN
END;
BEGIN
END.
bad2 = +green;
*ERROR 63 -- this type must not have a component which is a file
In certain contexts Pascal places the restriction on the type of acceptable
objects that they must not have any component which has the type FILE.
PROGRAM fail;
TYPE rf = RECORD j : integer;
END;
VAR a, b : rf;
BEGIN
END.
f : FILE OF real
a := b; (cannot copy records containing files}
*ERROR 64 -- a type specification is required here
This message indicates that a general type specification is needed, that is,
either the name of a type or an explicit type definition such as 1..10.
PROGRAM fail;
VAR j,k:; (no type given}
BEGIN
END.
*ERROR 65 -- the identifier of a type which defines a range of values is
required here
Certain types in Pascal, known as 'ordinal types', define ranges of values.
These types are: integer, char, Boolean and all enumerated types. In
addition any type which is a subrange of these is an ordinal type. Whenever
66 Pascal Issue 1