Add hints to phone-number exercise #226
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| ## Hints | |||
| For simplicity and readability: Consider using the Scala collection functions instead of Java's `String` methods. Remember that in Scala is implicitly also a `Seq[Char]`, so you can call them as easily as the `String` methods. | |||
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Remember that in Scala should be Remember that in Scala a string
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I think these hints are fine. They are helpful and don't give away too much. |
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thx @ErikSchierboom |
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#220
Now that we have decided to only have hints for the first exercise using
Optionone could also opt that this one is not worth the effort?