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Include the implementation of maybeItWillReturnSomething #10

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Merged
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Jun 14, 2016
Merged

Include the implementation of maybeItWillReturnSomething #10

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10 changes: 9 additions & 1 deletion src/main/scala/stdlib/Options.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,15 @@ object Options extends FlatSpec with Matchers with exercise.Section {
emptyValue should be(res1)
}

/** Using `getOrElse` we can provide a default value ("No value") when the optional argument (`None`) does not exist:
/** Let's write a function that may or not give us a string, thus returning `Option[String]`:
*
* {{{
* def maybeItWillReturnSomething(flag: Boolean): Option[String] = {
* if (flag) Some("Found value") else None
* }
* }}}
*
* Using `getOrElse` we can provide a default value ("No value") when the optional argument (`None`) does not exist.
*/
def getOrElseOptions(res0: String, res1: String, res2: String) {
val value1 = maybeItWillReturnSomething(true)
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