From ab0f40debd54038a04d1e32e2626831ca40abf2a Mon Sep 17 00:00:00 2001
From: Renato Athaydes <renatoathaydes@hotmail.com>
Date: Fri, 15 Dec 2023 21:01:32 +0100
Subject: [PATCH] Use const constructor in 1.dart

This speeds up the Dart solution by about 20% and it's now faster than all Java solutions.
---
 bench/algorithm/binarytrees/1.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bench/algorithm/binarytrees/1.dart b/bench/algorithm/binarytrees/1.dart
index 2634f3c3..0dbbf34e 100644
--- a/bench/algorithm/binarytrees/1.dart
+++ b/bench/algorithm/binarytrees/1.dart
@@ -3,11 +3,11 @@ const int minDepth = 4;
 class Node {
   final Node? left;
   final Node? right;
-  Node._(this.left, this.right);
+  const Node._(this.left, this.right);
 
   factory Node.create(int depth) => depth > 0
       ? Node._(Node.create(depth - 1), Node.create(depth - 1))
-      : Node._(null, null);
+      : const Node._(null, null);
 
   int check() {
     var r = 1;