Re: [racket-users] Button click callback syntax

2020-05-13 Thread Philip Benade
Hi David Thank you for replying to my question. I have a much better understanding of what is happening now, especially about passing a function instead the result of a function. Thank you. Regards Philip On Tuesday, 12 May 2020 20:08:58 UTC+2, David Storrs wrote: > > Hi Philip, > > The

Re: [racket-users] Button click callback syntax

2020-05-12 Thread David Storrs
Hi Philip, The essence here is when evaluation happens: ; All of these are equivalent: (define foo (lambda () 7) (define foo (thunk 7)) ; 'thunk' is a term of art meaning "function of 0 arguments" (define (foo) 7) Try running the following code in the repl: ; start code (define