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Diffstat (limited to 'src/main/scala/com/drivergrp/core/id.scala')
-rw-r--r-- | src/main/scala/com/drivergrp/core/id.scala | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/main/scala/com/drivergrp/core/id.scala b/src/main/scala/com/drivergrp/core/id.scala new file mode 100644 index 0000000..29b8d99 --- /dev/null +++ b/src/main/scala/com/drivergrp/core/id.scala @@ -0,0 +1,24 @@ +package com.drivergrp.core + +import scalaz._ + + +object id { + + trait Tagged[+V, +Tag] + type @@[+V, +Tag] = V with 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]](_ == _) + + 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]](_ == _) +} |