syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"try_canonicalize(Path::new(os)).map_err(|e|"}]}
source_snippet:                 try_canonicalize(Path::new(os)).map_err(|e| e.to_string())
context_before:                 let os = OsStr::from_bytes(bytes);
context_after:             }