Re: Clojure beginner: IF statement error!

[Bryan Maass]

Welcome to Clojure Renata!

Since you're familiar with lisp but not the Clojure idioms, you may want to 
take a scan through the clojure style guide 

.

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Re: Clojure beginner: IF statement error!

[Mars0i]

Just spelling out what the previous comments implied:

You're giving 'if' five arguments:

(= M 0) 
1 
"in case pow is 0 return 1"
(do (* N (recur N (- M 1)
"decrease power M each itr"

'if' needs at least two arguments, and is normally used with three.  If you 
delete the strings, your code will be correct.

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Re: Clojure beginner: IF statement error!

[Jason Felice]

Comments start with a semicolon (;).

On Fri, Mar 4, 2016 at 7:23 PM, Joseph Smith  wrote:

> Those strings are in the if form.
>
> ---
> Joe R. Smith
> j...@uwcreations.com
> @solussd
>
>
> On Mar 4, 2016, at 6:48 PM, Renata Akhm  wrote:
>
> Hi! I've just strated coding on Clojure and tried to move some of my Lisp
> code to Clojure:
> (defn mpow
> [N M]
> (if (= M 0) 1 "in case pow is 0 return 1"
> (do (* N (recur N (- M 1) "decrease power M each itr"
> )
> So it just calculates power recursively. When I run it the "Too many
> arguments to if" error occures. What am I doing wrong? Thank you in advance
> for help!
>
> Renata
>
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Re: Clojure beginner: IF statement error!

[Joseph Smith]

Those strings are in the if form. 

---
Joe R. Smith
j...@uwcreations.com
@solussd


> On Mar 4, 2016, at 6:48 PM, Renata Akhm  wrote:
> 
> Hi! I've just strated coding on Clojure and tried to move some of my Lisp 
> code to Clojure:
> (defn mpow
>   [N M]
>   (if (= M 0) 1 "in case pow is 0 return 1"
>   (do (* N (recur N (- M 1)   "decrease power M each itr"
> )
> So it just calculates power recursively. When I run it the "Too many 
> arguments to if" error occures. What am I doing wrong? Thank you in advance 
> for help!
> 
> Renata
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Clojure beginner: IF statement error!

[Renata Akhm]

Hi! I've just strated coding on Clojure and tried to move some of my Lisp 
code to Clojure:
(defn mpow
[N M]
(if (= M 0) 1 "in case pow is 0 return 1"
(do (* N (recur N (- M 1) "decrease power M each itr"
)
So it just calculates power recursively. When I run it the "Too many 
arguments to if" error occures. What am I doing wrong? Thank you in advance 
for help!

Renata

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