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// Cargo.toml | |
// | |
// [dependencies] | |
// futures = "0.3.25" | |
use std::future::Future; | |
use std::ops::Deref; | |
use std::pin::Pin; | |
use std::sync::{Arc, Mutex}; | |
use std::sync::mpsc::{Receiver, sync_channel, SyncSender}; |
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package ds.tree.aa | |
import scala.annotation.tailrec | |
// https://en.wikipedia.org/wiki/AA_tree | |
sealed trait Tree | |
final case class Node(var key: Int, var level: Int, var left: Tree, var right: Tree) extends Tree |
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