syntax_data: {"ast_node_type":"other","tokens":[{"end":23,"kind":"keyword","start":0,"text":"Ok(match"}]}
source_snippet:         Ok(match self {
context_before:     fn try_fold_with<F: FallibleTypeFolder<I>>(self, folder: &mut F) -> Result<Self, F::Error> {
context_after:             Ok(v) => Ok(v.try_fold_with(folder)?),