syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"Some(\"error\")"}]}
source_snippet:             Some("error") => *slot = OnBrokenPipe::Error,
context_before:             Some("kill") => *slot = OnBrokenPipe::Kill,
context_after:             Some("inherit") => *slot = OnBrokenPipe::Inherit,