blob: 8f38bc13ae3603cd34892bce9386303be79d782d (
plain) (
tree)
|
|
package com.drivergrp
import scalaz.Equal
package object core {
import scala.language.reflectiveCalls
def make[T](v: => T)(f: T => Unit): T = {
val value = v; f(value); value
}
def using[R <: { def close() }, P](r: => R)(f: R => P): P = {
val resource = r
try {
f(resource)
} finally {
resource.close()
}
}
object tagging {
private[core] trait Tagged[+V, +Tag]
}
type @@[+V, +Tag] = V with tagging.Tagged[V, Tag]
type Id[+Tag] = Long @@ Tag
object Id {
def apply[Tag](value: Long) = value.asInstanceOf[Id[Tag]]
}
implicit def idEqual[T]: Equal[Id[T]] = Equal.equal[Id[T]](_ == _)
implicit def idOrdering[T]: Ordering[Id[T]] = Ordering.by(identity)
type Name[+Tag] = String @@ Tag
object Name {
def apply[Tag](value: String) = value.asInstanceOf[Name[Tag]]
}
implicit def nameEqual[T]: Equal[Name[T]] = Equal.equal[Name[T]](_ == _)
implicit def nameOrdering[T]: Ordering[Name[T]] = Ordering.by(identity)
}
|