Automattic\WooCommerce\Vendor\GraphQL\Executor

ReferenceExecutor::isPromise │ protected │ WC 1.0

Method of the class: ReferenceExecutor{}

No Hooks.

Returns

null. Nothing (null).

Usage

// protected - for code of main (parent) or child class
$result = $this->isPromise( $value ): bool;
$value(mixed) (required)
.

ReferenceExecutor::isPromise() code WC 10.9.4

woocommerce/lib/packages/GraphQL/Executor/ReferenceExecutor.php 
protected function isPromise($value): bool
{
    return $value instanceof Promise
        || $this->exeContext->promiseAdapter->isThenable($value);
}