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GAME code table-driven move generator[Subject Thread] [Add Response]
H. G. Muller wrote on Wed, Aug 5, 2020 03:54 PM UTC in reply to Fergus Duniho from 03:43 PM:

But what is the 'expression' in an array (a b)? I just see two constants, a and b.

So null is a different value from false, but both print the same, namely as an empty string? How can I know whether a boolean operator like and returns null or false?