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handle (Future method)
Last update:
May 18, 2026
Runs a handler on the completing thread that can produce a new value for both success and failure.
Description
Synchronous counterpart to handleAsync.
Returns
A new Future.
Category
Asynchronous programming
Function syntax
future.handle(function)Parameters
| Parameter | Description |
|---|---|
| function | Required. A function (value, error) that returns the next value. |
See also
Example
Append a suffix on success.
<cfscript>
future = runAsync(function() { return "success"; });
handled = future.handle(function(value, error) { return isNull(error) ? value & "_handled" : "error_handled";});
writeOutput(handled.get()); // success_handled
</cfscript>
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