<div dir="rtl"><div dir="ltr">How can i define that a function will get an integer argument?</div><div dir="ltr"><br></div><div dir="ltr">is its possible? </div><div dir="ltr"><br></div><div dir="ltr">for example:</div><div dir="ltr">
(define (func (x::Number))) /// its not working that way</div><div dir="ltr"><br></div><div dir="ltr">and if ill call the function with string there will be an error..</div></div>