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Merge pull request #547 from rostdotio/master
[scala] Added explanation for colon character
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@ -104,10 +104,13 @@ val sq = (x:Int) => x * x
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sq(10) // Gives you this: res33: Int = 100.
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// The colon explicitly defines the type of a value, in this case a function
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// taking an Int and returning an Int.
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val add10: Int => Int = _ + 10
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// Scala allows methods and functions to return, or take as parameters, other
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// functions or methods.
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val add10: Int => Int = _ + 10 // A function taking an Int and returning an Int
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List(1, 2, 3) map add10 // List(11, 12, 13) - add10 is applied to each element
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// Anonymous functions can be used instead of named functions:
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