It seems like Explorer.Query adopted a similar approach to Ecto.Query in its use of ^ for interpolation.
reference: Interpolation and Casting | Ecto.Query & Interpolation | Explorer.Query
p.s. It’s worth noting that the ^ in Ecto and Explorer is not the same as the ^ pin operator in Elixir – learn more about it here: elixir - Why do Ecto queries need the pin (^) operator? - Stack Overflow
