Util Relation
API
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Util Relation/sbt.internal.util/Relation

Relation

sbt.internal.util.Relation
See theRelation companion trait
object Relation

Attributes

Companion
trait
Graph
Supertypes
class Object
trait Matchable
class Any
Self type
Relation.type

Members list

Value members

Concrete methods

def empty[A, B]: Relation[A, B]

Constructs a new immutable, finite relation that is initially empty.

Constructs a new immutable, finite relation that is initially empty.

Attributes

def make[A, B](forward: Map[A, Set[B]], reverse: Map[B, Set[A]]): Relation[A, B]

Constructs a Relation from underlying forward and reverse representations, without checking that they are consistent. This is a low-level constructor and the alternatives empty and reconstruct should be preferred.

Constructs a Relation from underlying forward and reverse representations, without checking that they are consistent. This is a low-level constructor and the alternatives empty and reconstruct should be preferred.

Attributes

def merge[A, B](rels: Iterable[Relation[A, B]]): Relation[A, B]
def reconstruct[A, B](forward: Map[A, Set[B]]): Relation[A, B]

Constructs a relation such that for every entry _1 -> _2s in forward and every _2 in _2s, (_1, _2) is in the relation.

Constructs a relation such that for every entry _1 -> _2s in forward and every _2 in _2s, (_1, _2) is in the relation.

Attributes

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