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package.scala
44 lines (36 loc) · 1 KB
/
package.scala
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package org.jetbrains.jps.incremental
import _root_.java.util.Properties
/**
* @author Pavel Fatin
*/
package object scala {
type Closeable = {
def close()
}
def using[A <: Closeable, B](resource: A)(block: A => B): B = {
try {
block(resource)
} finally {
resource.close()
}
}
def extractor[A, B](f: A => B) = new Extractor[A, B](f)
class Extractor[A, B](f: A => B) {
def unapply(a: A): Some[B] = Some(f(a))
}
implicit def toRightBiasedEiter[A, B](either: Either[A, B]): Either.RightProjection[A, B] = either.right
implicit def toPipedObject[T](value: T) = new {
def |>[R](f: T => R) = f(value)
}
def readProperty(classLoader: ClassLoader, resource: String, name: String): Option[String] = {
Option(classLoader.getResourceAsStream(resource)).flatMap { stream =>
try {
val properties = new Properties()
properties.load(stream)
Option(properties.getProperty(name))
} finally {
stream.close()
}
}
}
}