syntax_data: {"ast_node_type":"variable","tokens":[{"end":26,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let temp =
context_before:                 debug_assert!(!matches!(Category::of(&expr.kind), Some(Category::Place)));
context_after:                     unpack!(block = this.as_temp(block, expr.temp_lifetime, expr_id, mutability));