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Missing.php
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Missing.php
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<?hh // strict
/**
* Copyright (c) 2016, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional
* grant of patent rights can be found in the PATENTS file in the same
* directory.
*
*/
namespace Facebook\HHAST;
final class Missing extends EditableNode {
<<__Override>>
public function __construct() {
parent::__construct('missing');
}
<<__Override>>
public function isMissing(): bool {
return true;
}
<<__Override>>
public function getChildren(): KeyedTraversable<string, EditableNode> {
return dict[];
}
<<__Memoize>>
public static function getInstance(): Missing {
return new self();
}
<<__Override>>
public static function fromJSON(
dict<string, mixed> $_json,
string $_file,
int $_position,
string $_source,
): this {
return self::getInstance();
}
<<__Override>>
public function rewriteDescendants(
self::TRewriter $rewriter,
?Traversable<EditableNode> $parents = null,
): this {
return $this;
}
}
function Missing(): Missing {
return Missing::getInstance();
}