syntax_data: {"ast_node_type":"variable","tokens":[{"end":89,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                     // When lowering the statement `let <pat> = <expr> else { <else> };`,
context_before:                 } => {
context_after:                     // the `<else>` block is nested in the parent scope enclosing this statement.