pub fn replace_function_name<N>(node: &mut N, from: &str, to: &str)where
N: for<'aa> VisitMutWith<FunctionNameReplacer<'aa>>,
pub fn replace_function_name<N>(node: &mut N, from: &str, to: &str)where
N: for<'aa> VisitMutWith<FunctionNameReplacer<'aa>>,