Const
Every conventions set a receipt may carry, newest first: index 0 is the set this release writes, and the codec reads every set here. A minor release may add a set at the front, so take a set by its content, not by an index other than 0.
Every conventions set a receipt may carry, newest first: index 0 is the set this release writes, and the codec reads every set here. A minor release may add a set at the front, so take a set by its content, not by an index other than 0.