I don't think I understand the difference between regions and Rust's concept of lifetimes. In my mind they were two sides of the same coin, but you seem to argu

I don't think I understand the difference between regions and Rust's concept of lifetimes. In my mind they were two sides of the same coin, but you seem to argue otherwise. Note that my knowledge of regions comes mainly from Cyclone, not Vale or Verona, are those different concepts with the same name?