/scalate-util/src/main/scala/org/fusesource/scalate/util/Sequences.scala

http://github.com/scalate/scalate · Scala · 36 lines · 8 code · 3 blank · 25 comment · 0 complexity · ccc7d8e721e8567e45799395f781c962 MD5 · raw file

  1. /**
  2. * Copyright (C) 2009-2011 the original author or authors.
  3. * See the notice.md file distributed with this work for additional
  4. * information regarding copyright ownership.
  5. *
  6. * Licensed under the Apache License, Version 2.0 (the "License");
  7. * you may not use this file except in compliance with the License.
  8. * You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing, software
  13. * distributed under the License is distributed on an "AS IS" BASIS,
  14. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15. * See the License for the specific language governing permissions and
  16. * limitations under the License.
  17. */
  18. package org.fusesource.scalate.util
  19. import collection.mutable.HashSet
  20. /**
  21. * A collection of helper methods
  22. *
  23. * @version $Revision: 1.1 $
  24. */
  25. object Sequences {
  26. /**
  27. * Creates a new sequence of the given type without any duplicates
  28. */
  29. def removeDuplicates[T](seq: Seq[T]) : Seq[T] = {
  30. val set = new HashSet[T]()
  31. seq.filter(e => set.add(e))
  32. }
  33. }