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acceptEitherAsync (Future method)
Last update:
May 18, 2026
When either this Future or another completes successfully first, runs an action with that value on the async executor.
Description
acceptEitherAsync is the side-effect form of applyToEitherAsync. Your action receives the winning result but does not return a replacement value from the API perspective.
Returns
A new Future.
Category
Asynchronous programming
Function syntax
future.acceptEitherAsync(other, action)Parameters
| Parameter | Description |
|---|---|
| other | Required. The other Future to race. |
| action | Required. A function that takes the first completed value and performs an action (void return). |
See also
Example
Capture the winning value (from product tests).
<cfscript>
f1 = runAsync(function() { return "winner"; });
f2 = runAsync(function() { sleep(1000); return "loser";});
either = f1.acceptEitherAsync(f2, function(x) { variables.winner = x;});
either.get();
writeOutput(variables.winner); // winner
</cfscript>
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