instances | gen_let_expr.rs:5:8:5:31 | let ... = maybe_some | getAttr getScrutinee | gen_let_expr.rs:5:8:5:31 | let ... = maybe_some | gen_let_expr.rs:5:22:5:31 | maybe_some | getPat | gen_let_expr.rs:5:8:5:31 | let ... = maybe_some | gen_let_expr.rs:5:12:5:18 | Some(...) |