error: proc macro panicked
 --> tests/compile/macros/input_tuple.rs:4:2
  |
4 |     edgedb_query!(example, "select <bool>$0");
  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = help: message: `"0"` is not a valid identifier
  = note: this error originates in the macro `edgedb_query` (in Nightly builds, run with -Z macro-backtrace for more info)