[3.x] Fast forward resolved/rejected promises with await #22
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This makes `await`ing an already resolved promise significantly faster. Ported from: reactphp#18
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After discussing this PR with @SimonFrings and @clue we came to the conclusion that porting #18 to #21 and this PR doesn't introduce only more code and no performance gainst at all. We got a bit excited about the idea of doing this without realizing this makes the function more complex while the loop would instantly be stopped anyway. And that fraction of a millisecond gain we might get from doing this is not worth it. It was however very much worth doing this for fibers in #18. |
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This makes
awaiting an already resolved promise significantly faster.Ported from: #18