Interface Op

packages/compiler/src/template/pipeline/ir/src/operations.ts:23–48

 *     specific subtype of `Op` can be linked with in a linked list.
 */
export interface Op<OpT extends Op<OpT>> {
  /**
   * All operations have a distinct kind.
   */
  kind: OpKind;

  /**
   * The previous operation in the linked list, if any.
   *
   * This is `null` for operation nodes not currently in a list, or for the special head/tail nodes.
   */
  prev: OpT | null;

  /**
   * The next operation in the linked list, if any.
   *
   * This is `null` for operation nodes not currently in a list, or for the special head/tail nodes.
   */
  next: OpT | null;

  /**
   * Debug id of the list to which this node currently belongs, or `null` if this node is not part
   * of a list.
   */
  debugListId: number | null;
}

/**
 * A linked list of `Op` nodes of a given subtype.