xref: /plugin/combo/vendor/antlr/antlr4-php-runtime/src/Comparison/DefaultEquivalence.php (revision 37748cd8654635afbeca80942126742f0f4cc346)
1*37748cd8SNickeau<?php
2*37748cd8SNickeau
3*37748cd8SNickeaudeclare(strict_types=1);
4*37748cd8SNickeau
5*37748cd8SNickeaunamespace Antlr\Antlr4\Runtime\Comparison;
6*37748cd8SNickeau
7*37748cd8SNickeaufinal class DefaultEquivalence implements Equivalence
8*37748cd8SNickeau{
9*37748cd8SNickeau    public function equivalent(Hashable $left, Hashable $right) : bool
10*37748cd8SNickeau    {
11*37748cd8SNickeau        return $left->equals($right);
12*37748cd8SNickeau    }
13*37748cd8SNickeau
14*37748cd8SNickeau    public function hash(Hashable $value) : int
15*37748cd8SNickeau    {
16*37748cd8SNickeau        return $value->hashCode();
17*37748cd8SNickeau    }
18*37748cd8SNickeau
19*37748cd8SNickeau    public function equals(object $other) : bool
20*37748cd8SNickeau    {
21*37748cd8SNickeau        return $other instanceof self;
22*37748cd8SNickeau    }
23*37748cd8SNickeau}
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