func isPtrPkgDot(t ast.Expr, pkg, name string) bool {
	ptr, ok := t.(*ast.StarExpr)
	return ok && isPkgDot(ptr.X, pkg, name)
}
func isPtrPkgDot(t ast.Expr, pkg, name string) bool {
	ptr, ok := t.(*ast.StarExpr)
	return ok && isPkgDot(ptr.X, pkg, name)
}
func isPtrPkgDot ( t ast . Expr , pkg , name string ) bool { ptr , ok := t . ( * ast . StarExpr ) return ok && isPkgDot ( ptr . X , pkg , name ) }
// isPtrPkgDot returns true if f is the expression "*pkg.name"
// where pkg is an imported identifier.
isPtrPkgDot returns true if f is the expression * pkg . name where pkg is an imported identifier .