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Remove parent parameter from binary tree node constructor to simplify syntax.

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Oleksii Trekhleb
2018-05-30 08:16:41 +03:00
parent fcc546347d
commit b7e27b2f07
4 changed files with 8 additions and 10 deletions
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9
src/data-structures/tree/binary-search-tree/BinarySearchTreeNode.js
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@@ -4,11 +4,10 @@ import Comparator from '../../../utils/comparator/Comparator';
export default class BinarySearchTreeNode extends BinaryTreeNode {
/**
* @param {*} [value]
* @param {BinaryTreeNode} [parent]
* @param {function} [compareFunction]
*/
constructor(value = null, parent = null, compareFunction = undefined) {
super(value, parent);
constructor(value = null, compareFunction = undefined) {
super(value);
// This comparator is used to compare node values with each other.
this.compareFunction = compareFunction;
@@ -30,14 +29,14 @@ export default class BinarySearchTreeNode extends BinaryTreeNode {
if (this.left) {
this.left.insert(value);
} else {
this.setLeft(new BinarySearchTreeNode(value, null, this.compareFunction));
this.setLeft(new BinarySearchTreeNode(value, this.compareFunction));
}
} else if (this.nodeValueComparator.greaterThan(value, this.value)) {
// Insert to the right.
if (this.right) {
this.right.insert(value);
} else {
this.setRight(new BinarySearchTreeNode(value, null, this.compareFunction));
this.setRight(new BinarySearchTreeNode(value, this.compareFunction));
}
}