Thanks, that's the way to go. Am Montag, 10. September 2012 schrieb Carl Eastlund: > The following expression should do what you want: > > (+ (string->number "1.2") 1) > > If you're starting from a symbol, use symbol->string before string->number. > > Carl Eastlund > > On Mon, Sep 10, 2012 at 12:41 PM, Nikolaus Klepp <dr.kl...@gmx.at> wrote: > > Hi all, > > > > In tinyscheme I can do this: > > > (+ (string->symbol "1.2") 1) > > > > 2.2 > > > > In racket that does not work, because > > > > > (string->symbol "1.2") > > > > '|1.2| > > > > which is not a number. I can use this workaround: > > > (+ (read (open-input-string "1.2")) 1) > > > > 2.2 > > > > But is there a clean way to get the above line from tinyscheme working on > > racket without that workaround? > > > > Nik
____________________ Racket Users list: http://lists.racket-lang.org/users
