ResultOrExceptionWrapper

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Represents a result of operation that either has a successful result of an Awaitable or the exception object if that Awaitable failed

This is an interface. You get generally ResultOrExceptionWrapper by calling wrap(), passing in the Awaitable, and a WrappedResult or WrappedException is returned.

Interface Synopsis

namespace HH\Asio;

interface ResultOrExceptionWrapper {...}

Public Methods

• ->getException(): \Exception
  Return the underlying exception, or fail with invariant violation
• ->getResult(): T
  Return the result of the operation, or throw underlying exception
• ->isFailed(): bool
  Indicates whether the Awaitable associated with this wrapper exited abnormally via an exception of somoe sort
• ->isSucceeded(): bool
  Indicates whether the Awaitable associated with this wrapper exited normally