{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"///"}]}
/// `expr` -- is going to be indirectly referenced by a variable in a let statement. In that
/// Applied to an expression `expr` if `expr` -- or something owned or partially owned by
/// case, the "temporary lifetime" or `expr` is extended to be the block enclosing the `let`