class TypedMultiMap[T <: AnyRef, K[_ <: T]] extends AnyRef
An immutable multi-map that expresses the value type as a type function of the key type. Create it with a type constructor that expresses the relationship:
trait Key { type Type = T } case class MyValue[T](...) // type function from Key to MyValue type KV[K <: Key] = MyValue[K#Type] val map = TypedMultiMap.empty[Key, KV] // a plain Int => String map would use this function: type plain[K <: Int] = String // a map T => T would use this function: type identity[T <: AnyRef] = T
Caveat: using keys which take type parameters does not work due to conflicts
with the existential interpretation of Key[_]
. A workaround is to define
a key type like above and provide a subtype that provides its type parameter
as type member Type
.
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- final def !=(arg0: Any): Boolean
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- final def ##: Int
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- def ++(other: TypedMultiMap[T, K]): TypedMultiMap[T, K]
Add all entries from the other map, overwriting existing entries.
Add all entries from the other map, overwriting existing entries.
FIXME: should it merge, instead?
- final def ==(arg0: Any): Boolean
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- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- final def eq(arg0: AnyRef): Boolean
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- def equals(other: Any): Boolean
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- TypedMultiMap → AnyRef → Any
- def get(key: T): Set[K[key.type]]
Obtain all mappings for the given key.
- final def getClass(): Class[_ <: AnyRef]
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- @IntrinsicCandidate() @native()
- def hashCode(): Int
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- TypedMultiMap → AnyRef → Any
- def inserted(key: T)(value: K[key.type]): TypedMultiMap[T, K]
Return a map that has the given value added to the mappings for the given key.
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def keyRemoved(key: T): TypedMultiMap[T, K]
Return a map that has all mappings for the given key removed.
- def keySet: Set[T]
Return the set of keys which are mapped to non-empty value sets.
- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- final def notifyAll(): Unit
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- def removed(key: T)(value: K[key.type]): TypedMultiMap[T, K]
Return a map that has the given mapping from the given key removed.
- def setAll(key: T)(values: Set[K[key.type]]): TypedMultiMap[T, K]
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
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- def toString(): String
- Definition Classes
- TypedMultiMap → AnyRef → Any
- def valueRemoved(value: Any): TypedMultiMap[T, K]
Return a map that has the given value removed from all keys.
- final def wait(arg0: Long, arg1: Int): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
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- final def wait(): Unit
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- def finalize(): Unit
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- @throws(classOf[java.lang.Throwable]) @Deprecated
- Deprecated
(Since version 9)