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dorsev/gist:c0f4e372d4d209473b3f6e538e1a4a7e

Created November 3, 2018 21:59
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Eta Expansion in scala - p2
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gistfile1.txt
scala> val etaexplained = emphasisFunc _
etaexplained: String => String = $$Lambda$1239/712726821@5a5b394
//what happens on multiple paramters list ?
//they get curried away.
//for example
scala> def strAddByNumAndMultiplty(str:String)(numToAdd:Int)(numToMultiply:Int) = str.toInt + numToAdd * numToMultiply
strAddByNumAndMultiplty: (str: String)(numToAdd: Int)(numToMultiply: Int)Int
scala> strAddByNumAndMultiplty _
res5: String => (Int => (Int => Int)) = $$Lambda$1286/1637214165@f2120d5
scala> strAddByNumAndMultiplty _
res5: String => (Int => (Int => Int)) = $$Lambda$1286/1637214165@f2120d5
scala> val func = strAddByNumAndMultiplty _
func: String => (Int => (Int => Int)) = $$Lambda$1287/795982694@4d8e6daa
scala> func("1")(2)(3)
res6: Int = 7
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