On 7/20/14, 7:04 AM, קוראל אלימלך wrote: > How can i define that a function will get an integer argument? > > is its possible? > > for example: > (define (func (x::Number))) /// its not working that way > > and if ill call the function with string there will be an error..
In addition to the suggestions to use Typed Racket, you may also want to read about contracts: (define/contract (f x) (-> integer? integer?) (* x x)) http://docs.racket-lang.org/guide/contracts.html David ____________________ Racket Users list: http://lists.racket-lang.org/users
