Returns an Awaitable of Vector of ResultOrExceptionWrapper after a mapping operation has been applied to each value in the provided Traversable

namespace HH\Asio;

function vmw<Tv, Tr>(
    Traversable<Tv> $inputs,
  (function(Tv):Awaitable<Tr>) $callable,
): Awaitable<Vector<ResultOrExceptionWrapper<Tr>>>;

This function is similar to vm(), except the Vector in the returned Awaitable contains ResultOrExceptionWrappers instead of raw values.

This function is similar to Vector::map(), but the mapping of the values is done using Awaitables.

This function is called vmw because we are returning a vector, doing a mapping operation and each member of the Vector is wrapped by a ResultOrExceptionWrapper.

$callable must return an Awaitable.

The ResultOrExceptionWrappers in the Vector of the returned Awaitable are not available until you await or join the returned Awaitable.


Return Values