syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"return"}]}
source_snippet:             return this.in_scope((region_scope, source_info), lint_level, |this| {
context_before:         if let ExprKind::Scope { region_scope, lint_level, value } = expr.kind {
context_after:                 this.as_temp(block, temp_lifetime, value, mutability)