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m (How to keep an imperative programmer busy for hours)
 
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==How to keep an imperative programmer busy for hours ==
 
==How to keep an imperative programmer busy for hours ==
   
give him the example for swapping two variables in Haskell of:
+
tell them the syntax for swapping two variables in Haskell is:
   
 
<haskell>
 
<haskell>
a = 4
+
let a=b; b=a in <exp>
b = 3
 
let a=b; b=a in print (b-a)
 
 
</haskell>
 
</haskell>

Latest revision as of 19:33, 20 October 2012

[edit] How to keep an imperative programmer busy for hours

tell them the syntax for swapping two variables in Haskell is:

 let a=b; b=a in <exp>