codeBehindMe commented on a change in pull request #11976:
URL: https://github.com/apache/beam/pull/11976#discussion_r440110392
##########
File path: sdks/go/pkg/beam/core/util/reflectx/functions.go
##########
@@ -45,3 +45,13 @@ func LoadFunction(ptr uintptr, t reflect.Type) interface{} {
*(*unsafe.Pointer)(unsafe.Pointer(v.Addr().Pointer())) =
unsafe.Pointer(p)
return v.Interface()
}
+
+//FunctionOutputSize returns the dimensions of the output of a function.
+// Panics if the type is not a function.
+func FunctionOutputSize(fn interface{}) int {
Review comment:
8c9e030351
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