scalax.collection.constrained.mutable.package.scala Maven / Gradle / Ivy

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Graph Constrained

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package scalax.collection.constrained

/**
 * Mutable constrained graph templates.
 * 
 * @author Peter Empen
 */
package object mutable {
  import scalax.collection.GraphPredef._, scalax.collection.GraphEdge._
  import scalax.collection.mutable.ArraySet
  import constraints._ 
  import generic._

  /** Enables to quickly assemble mutable constrained graph companion modules. Example:
   *  {{
   *  import scalax.collection.constrained.mutable.CompanionAlias
   *  import scalax.collection.constrained.constraints.Acyclic
   *  
   *  object DAG extends CompanionAlias[DiEdge](Acyclic withStringPrefix "DAG")
   *  }}
   */
  abstract class CompanionAlias[E[X] <: EdgeLikeIn[X]]
      (constraintCompanion: ConstraintCompanion[Constraint])
      (implicit adjacencyListHints: ArraySet.Hints = ArraySet.Hints())
    extends GraphConstrainedCompanionAlias[Graph, E](
       Graph, constraintCompanion)(adjacencyListHints)

  /** Mutable directed acyclic `Graph`. */
  type DAG[N] = Graph[N,DiEdge]
  /** Companion module for mutable directed acyclic `Graph`. */
  object DAG extends CompanionAlias[DiEdge](dagConstraint)

  /** Mutable undirected acyclic `Graph`. */
  type Forest[N] = Graph[N,UnDiEdge]
  /** Companion module for mutable undirected acyclic `Graph`. */
  object Forest extends CompanionAlias[UnDiEdge](forestConstraint)

  /** Mutable undirected connected acyclic `Graph`. */
  type Tree[N] = Graph[N,UnDiEdge]
  /** Companion module for mutable undirected connected acyclic `Graph`. */
  object Tree extends CompanionAlias[UnDiEdge](treeConstraint)
}