Difference between revisions of "FP Laboratory 1"

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Line 23: Line 23:
 
                         then x   
 
                         then x   
 
                         else x*2   
 
                         else x*2   
 +
 +
ghci> [1,2,3,4] ++ [9,10,11,12] 
 +
[1,2,3,4,9,10,11,12] 
 +
ghci> "hello" ++ " " ++ "world" 
 +
"hello world" 
 +
ghci> ['w','o'] ++ ['o','t'] 
 +
"woot" 
 +
 +
multThree :: (Num a) => a -> a -> a -> a 
 +
multThree x y z = x * y * z 
  
 
</syntaxhighlight >
 
</syntaxhighlight >
 
</translate>
 
</translate>

Revision as of 11:59, 12 August 2019

Topic

ghci> :l baby  
[1 of 1] Compiling Main             ( baby.hs, interpreted )  
Ok, modules loaded: Main.  
ghci> doubleMe 9  
18  
ghci> doubleMe 8.3  
16.6  

ghci> 2 + 15  
17  
ghci> 49 * 100  
4900  
ghci> 1892 - 1472  
420  
ghci> 5 / 2  
2.5  
ghci> import Prelude

doubleSmallNumber x = if x > 100  
                        then x  
                        else x*2  

ghci> [1,2,3,4] ++ [9,10,11,12]  
[1,2,3,4,9,10,11,12]  
ghci> "hello" ++ " " ++ "world"  
"hello world"  
ghci> ['w','o'] ++ ['o','t']  
"woot"  

multThree :: (Num a) => a -> a -> a -> a  
multThree x y z = x * y * z