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Elvis.scala
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Elvis.scala
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/**
* Copyright (C) 2009-2011 the original author or authors.
* See the notice.md file distributed with this work for additional
* information regarding copyright ownership.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fusesource.scalate.support
/**
* Implements the Groovy style Elvis operator in Scala
*
* @version $Revision: 1.1 $
*/
class Elvis(val defaultValue: Any) {
def ?:(value: Any) = if (value != null) value else defaultValue
}
/**
* A helper class useful for implicit conversions when legacy code iterates over a Map without explicitly
* decomposing the iterator value to a tuple
*/
case class MapEntry[A, B](key: A, value: B) {
def getKey = key
def getValue = value
}