99 Bottles of Beer/Scala: Difference between revisions
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<span style='font-family: "Linux Libertine",Georgia,Times,serif;font-size:150%;'>[[Scala]]</span><hr> |
<span style='font-family: "Linux Libertine",Georgia,Times,serif;font-size:150%;'>[[Scala]]</span><hr> |
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==The trivial solution== |
===The trivial solution=== |
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The trivial solution to it would be this: |
The trivial solution to it would be this: |
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< |
<syntaxhighlight lang="scala">99 to 1 by -1 foreach { n => |
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println( |
println( |
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f"$n%d bottles of beer on the wall\n" + |
f"$n%d bottles of beer on the wall\n" + |
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f"Take one down, pass it around\n" + |
f"Take one down, pass it around\n" + |
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f"${n - 1}%d bottles of beer on the wall\n") |
f"${n - 1}%d bottles of beer on the wall\n") |
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}</ |
}</syntaxhighlight> |
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===Running in parallel=== |
===Running in parallel=== |
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The above n parallel using a ParRange, fast but shuffles the output. |
The above n parallel using a ParRange, fast but shuffles the output. |
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< |
<syntaxhighlight lang="scala">(99 to 1 by -1).par foreach { n => |
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println( |
println( |
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f"$n%d bottles of beer on the wall\n" + |
f"$n%d bottles of beer on the wall\n" + |
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f"Take one down, pass it around\n" + |
f"Take one down, pass it around\n" + |
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f"${n - 1}%d bottles of beer on the wall\n") |
f"${n - 1}%d bottles of beer on the wall\n") |
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}</ |
}</syntaxhighlight> |
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==Regex solution== |
===Regex solution=== |
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< |
<syntaxhighlight lang="scala">object NinetyNineBottlesOfBeer { |
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val verse = """|99 bottles of beer on the wall |
val verse = """|99 bottles of beer on the wall |
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|99 bottles of beer |
|99 bottles of beer |
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changeLine(line) |
changeLine(line) |
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} |
} |
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}</ |
}</syntaxhighlight> |
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==A preferred ☺ |
===A preferred ☺ solution=== |
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< |
<syntaxhighlight lang="scala">// Note - As Of Scala 2.11.0 The 'Scala Actors' Library Has Been Deprecated In Favor Of Akka. |
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object Song { |
object Song { |
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import scala.actors._ |
import scala.actors._ |
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Patrons ! SingSong(Beer) |
Patrons ! SingSong(Beer) |
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} |
} |
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}</ |
}</syntaxhighlight> |
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