[Oberon] A CASE quiz

[Diego Sardina]

On Sat, Feb 17, 2018, at 3:29 PM, Diego Sardina wrote:
> VAR nonAlphaNumerics : ARRAY 256 OF BOOLEAN;
> VAR nonWhiteSpaces : ARRAY 256 OF BOOLEAN;
> 
> nonAlphaNumerics[ORD("A")] := FALSE;
> nonAlphaNumerics[ORD("B")] := FALSE;
> [...]
> 

An interesting note, Modula-3 permits this declaration:

VAR nonAlphaNumerics : ARRAY CHAR OF BOOLEAN;

With this form, it's possible to use nonAlphaNumerics["B"] without a type conversion on the index