Created
March 15, 2013 22:21
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mapreduce intuition
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| def mapReduce(f:Int=>Int,combine: (Int,Int)=>Int, zero:Int)(a:Int,b:Int):Int ={ | |
| if(a>b) zero | |
| else ??? | |
| } | |
| def sumGN(f:Int=>Int)(a:Int,b:Int) = mapReduce(f, (x,y)=>(x+y), 0)(a, b) | |
| def productGN(f:Int=>Int)(a:Int,b:Int) = mapReduce(f, (x,y)=>(x*y), 1)(a, b) |
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