hydra.mantle.EliminationVariant Maven / Gradle / Ivy

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package hydra.mantle;

import java.io.Serializable;

/**
 * The identifier of an elimination constructor
 */
public abstract class EliminationVariant implements Serializable {
  public static final hydra.core.Name NAME = new hydra.core.Name("hydra/mantle.EliminationVariant");
  
  private EliminationVariant () {
  
  }
  
  public abstract  R accept(Visitor visitor) ;
  
  public interface Visitor {
    R visit(List instance) ;
    
    R visit(Optional instance) ;
    
    R visit(Product instance) ;
    
    R visit(Record instance) ;
    
    R visit(Union instance) ;
    
    R visit(Wrap instance) ;
  }
  
  public interface PartialVisitor extends Visitor {
    default R otherwise(EliminationVariant instance) {
      throw new IllegalStateException("Non-exhaustive patterns when matching: " + (instance));
    }
    
    default R visit(List instance) {
      return otherwise((instance));
    }
    
    default R visit(Optional instance) {
      return otherwise((instance));
    }
    
    default R visit(Product instance) {
      return otherwise((instance));
    }
    
    default R visit(Record instance) {
      return otherwise((instance));
    }
    
    default R visit(Union instance) {
      return otherwise((instance));
    }
    
    default R visit(Wrap instance) {
      return otherwise((instance));
    }
  }
  
  public static final class List extends hydra.mantle.EliminationVariant implements Serializable {
    public List () {
    
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof List)) {
        return false;
      }
      List o = (List) (other);
      return true;
    }
    
    @Override
    public int hashCode() {
      return 0;
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
  
  public static final class Optional extends hydra.mantle.EliminationVariant implements Serializable {
    public Optional () {
    
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof Optional)) {
        return false;
      }
      Optional o = (Optional) (other);
      return true;
    }
    
    @Override
    public int hashCode() {
      return 0;
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
  
  public static final class Product extends hydra.mantle.EliminationVariant implements Serializable {
    public Product () {
    
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof Product)) {
        return false;
      }
      Product o = (Product) (other);
      return true;
    }
    
    @Override
    public int hashCode() {
      return 0;
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
  
  public static final class Record extends hydra.mantle.EliminationVariant implements Serializable {
    public Record () {
    
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof Record)) {
        return false;
      }
      Record o = (Record) (other);
      return true;
    }
    
    @Override
    public int hashCode() {
      return 0;
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
  
  public static final class Union extends hydra.mantle.EliminationVariant implements Serializable {
    public Union () {
    
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof Union)) {
        return false;
      }
      Union o = (Union) (other);
      return true;
    }
    
    @Override
    public int hashCode() {
      return 0;
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
  
  public static final class Wrap extends hydra.mantle.EliminationVariant implements Serializable {
    public Wrap () {
    
    }
    
    @Override
    public boolean equals(Object other) {
      if (!(other instanceof Wrap)) {
        return false;
      }
      Wrap o = (Wrap) (other);
      return true;
    }
    
    @Override
    public int hashCode() {
      return 0;
    }
    
    @Override
    public  R accept(Visitor visitor) {
      return visitor.visit(this);
    }
  }
}