HH\Lib\Dict\from_async

This API is part of the Hack Standard Library, not HHVM itself.
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This function is available as Dict\gen() in Facebook's www repository.

namespace HH\Lib\Dict;

function from_async<Tk as arraykey, Tv>(
    KeyedTraversable<Tk, Awaitable<Tv>> $awaitables,
): Awaitable<dict<Tk, Tv>>;

Parameters