syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"assert_eq!(\"10\".parse(),"}]}
source_snippet:     assert_eq!("10".parse(), Ok(OSVersion::new(10, 0, 0)));
context_before: fn test_parse_version() {
context_after:     assert_eq!("10.12".parse(), Ok(OSVersion::new(10, 12, 0)));