code: func createVarUnderscoreBlock() *ast.ValueSpec {
  	valueSpec := &ast.ValueSpec{}
  	object := &ast.Object{Kind: 4, Name: "_", Decl: valueSpec, Data: 0}
  	ident := &ast.Ident{Name: "_", Obj: object}
  	valueSpec.Names = append(valueSpec.Names, ident)
  	return valueSpec
  }
docs: /*
   * Creates a func init() node
   */