apache / apache/beam

Improve support for lambdas that throw checked exceptions in various transforms

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core improvement java P3
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Description

Ticket to followup the below:

[~jkff] says:
> Would be nice (not in this PR) to make it easier to do MapElements.via() with throwing functions without the hassle of fn(lambda, Requirements.empty()).
>  

[https://github.com/apache/beam/pull/10256/files#r356282252](https://github.com/apache/beam/pull/10256/files#r356282252)

 

 

Imported from Jira [BEAM-8942](https://issues.apache.org/jira/browse/BEAM-8942). Original Jira may contain additional context.
Reported by: suztomo.

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