On Wed, May 16, 2012 at 10:13 PM, Carl Eastlund <[email protected]> wrote:
> I originally wrote thunk* for cases like the callback initialization > argument of button%. It expects a function of two arguments that performs > an effect, but I don't think I've ever used either argument in the > function's body. Rather than writing (lambda (x y) e ...) with x and y > never used, I prefer to write (thunk* e ...) which makes it explicit that > any arguments are irrelevant and avoids binding unused names. > Personally, I generally use (λ _ e ....) for that purpose (it's even shorter), but it does bind the `_' identifier. Laurent
____________________ Racket Users list: http://lists.racket-lang.org/users
