On Sep 18, 2011, at 9:12 AM, Racket Noob wrote: > Saying that (quote (1 2 3)) evaluates to (quote (1 2 3)) [instead to (1 2 3)] > is the same nonsanse to me like saying that (+ 1 2) evaluates to (+ 1 2) > [instead to 3].
Be careful with words like "nonsense" :). What does 3 evaluate to? 3 So, numbers evaluate to themselves. That's because numbers are "values". In a similar way, #t evaluates to #t because it's also a value. What about (list 1 2 3)? It's *also* a value. That is, (list 1 2 3) evaluates to a list containing three things, the numbers 1, 2, and 3. In Racket, this gets printed as '(1 2 3) ... so that, like other values, its printed representation is also a legal program piece. Does this choice make more sense now? John
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