[jira] [Created] (BEAM-6577) The shim generator doesn't examine func return types when generating necessary imports

[Tianyang Hu (JIRA)]

Tianyang Hu created BEAM-6577:
---------------------------------

             Summary: The shim generator doesn't examine func return types when 
generating necessary imports
                 Key: BEAM-6577
                 URL: https://issues.apache.org/jira/browse/BEAM-6577
             Project: Beam
          Issue Type: Bug
          Components: sdk-go
            Reporter: Tianyang Hu
            Assignee: Robert Burke


For the following function:
{code:java}
func myDoFn(s string) mypkg.MyType {...}
{code}
it's shim generated code doesn't import "mypkg", which leads to compilation 
error "undefined mypkg..."

Seems that the func parser inspects only the input params, not return params: 
https://github.com/apache/beam/blob/master/sdks/go/pkg/beam/util/starcgenx/starcgenx.go#L293

Should we do the same for return types?




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