Change https://go.dev/cl/452578 mentions this issue: go/packages: fix doc typo

There isn't currently a way to control this field directly, but there are various ways to achieve what you want. The simplest is to supply a ParseFile function to the Config that invokes the parser as normal, and then destroys the function bodies:

        // Eliminate bodies of top-level functions, methods, inits.
        for _, decl := range file.Decls {
                if fn, ok := decl.(*ast.FuncDecl); ok {
                        fn.Body = nil
                }
        }

Another would be to ignore any type error that is located within a function body. Or to ignore certain kinds of error message.

You may need to take the last approach because there are likely to be declarations outside of function bodies that assign your struct values to interface types (e.g. var v I = newMyStruct()), so destroying function bodies may not be sufficient to suppress all errors.

https://go-review.git.corp.google.com/c/tools/+/452578 fixes the documentation. Thanks for pointing that out.