On Thu, 2 Apr 2009, Izkata wrote: > > On Thu, Apr 2, 2009 at 1:46 PM, Gregg Irwin <[email protected]> wrote= > : > > > > Hi Duke, > > > > DN> I want to do something like: > > DN> num1: =3D 6 > > DN> num2: =3D 5 > > DN> op: "*" > > DN> print [num1 op num2] > > > > DN> and get 30 as the result. How in the %...@#*& do you do this in REBOL? > > > > I addition to Tom's answer, this may help explain word usage: > > > > =C2=A0http://www.rebol.com/docs/core23/rebolcore-4.html#section-5.2 > > > > As with most things in REBOL, there are a number of ways to do what > > you want. Here's another one: > > > >>> num1: 6 > > =3D=3D 6 > >>> num2: 5 > > =3D=3D 5 > >>> op: :* > >>> op num1 num2 > > =3D=3D 30 > >>> print [op num1 num2] > > 30 > > Extra explanation for this one. There's an issue in how the > interpreter sees op! values (anything with infix notation), so the > infix use of the op is lost here. That's why it's prefix notation > inside the print block.
>> >> num1 == 5 >> num2 == 6 >> op == * >> print [op num1 num2] * 5 6 >> I can't win today..... Must be something wrong with my interpreter. -- Duke Normandin A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? -- To unsubscribe from the list, just send an email to lists at rebol.com with unsubscribe as the subject.
