How to use Decl_FunctionDecl_Overload?

[huangshuquan.12]

Hi,

I saw  Decl_FunctionDecl_Overload at docs. How should I use it? In my understanding, it's how to declare a function just like decls.NewFunctions. How can I define a function then?

Thanks.

[Tristan Swadell]

Hello,

If you're looking for a good example of how to get started with custom functions I'd look at the example that introduces a new global overload in the Go docs: https://godoc.org/github.com/google/cel-go/cel#ex-package--GlobalOverload

Under the covers, the helper functions in the example build the proto that you've found. Hopefully this helps get you started. 

Cheers,

-Tristan

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