syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"this.in_scope((region_scope,"}]}
source_snippet:                 this.in_scope((region_scope, source_info), lint_level, |this| {
context_before:             ExprKind::Scope { region_scope, lint_level, value } => {
context_after:                     this.expr_as_place(block, value, mutability, fake_borrow_temps)