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Posted to dev@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/05/24 13:00:08 UTC

[jira] [Created] (ARROW-8918) [C++] Add cast "metafunction" to FunctionRegistry that addresses dispatching to appropriate type-specific CastFunction

Wes McKinney created ARROW-8918:
-----------------------------------

             Summary: [C++] Add cast "metafunction" to FunctionRegistry that addresses dispatching to appropriate type-specific CastFunction
                 Key: ARROW-8918
                 URL: https://issues.apache.org/jira/browse/ARROW-8918
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney
             Fix For: 1.0.0


By setting the output type in {{CastOptions}}, we can write

{code}
call_function("cast", [arg], cast_options)
{code}

This simplifies use of casting for binding developers



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