syntax_data: {"ast_node_type":"variable","tokens":[{"end":71,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let dir = dll.parent().and_then(|p| p.parent()).ok_or_else(|| {
context_before:         // directory containing the dll
context_after:             format!("Could not move 2 levels upper using `parent()` on {}", dll.display())