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Structuring Information - Sealed Traits: task.md fixed formatting #8

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Jun 18, 2019
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Structuring Information - Sealed Traits: task.md fixed formatting #8

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7 changes: 3 additions & 4 deletions Structuring Information/Defining Alternatives With Sealed Traits/task.md
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Original file line number Diff line number Diff line change
Expand Up @@ -70,9 +70,9 @@ Having defined `Symbol` as a sealed trait gives us the guarantee that
the possible case of symbols is fixed. The compiler can leverage this
knowledge to warn us if we write code that does not handle *all*
the cases:
{{{
```scala
def unexhaustive(): Unit = {
sealed trait Symbol
sealed trait Symbol
case class Note(name: String, duration: String, octave: Int) extends Symbol
case class Rest(duration: String) extends Symbol

Expand All @@ -81,8 +81,7 @@ def nonExhaustiveDuration(symbol: Symbol): String =
case Rest(duration) => duration
}
}
}}

```
If we try to run the above code to see how the compiler informs us that
we don’t handle all the cases in `nonExhaustiveDuration`.

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