- Functional Interface:
 - This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
 
Action of a host fun.
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Method Summary
 
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Method Details
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action
Performs the action of a host fun.- Parameters:
 ctx- the context of the invocation of the host fun.- Returns:
 - the result value or the call flow.
 - Throws:
 Throwable- any exception.
 
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