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

 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 */
18package org.fusesource.scalate.util
19
20import collection.mutable.HashSet
21
22/**
23 * A collection of helper methods
24 *
25 * @version $Revision: 1.1 $
26 */
27object Sequences {
28
29  /**
30   * Creates a new sequence of the given type without any duplicates
31   */
32  def removeDuplicates[T](seq: Seq[T]) : Seq[T] = {
33    val set = new HashSet[T]()
34    seq.filter(e => set.add(e))
35  }
36}