syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"write!(fmt,"}]}
source_snippet:         write!(fmt, "{:?}@{:?}", self.path, self.source)
context_before:     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
context_after:     }