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Morten Welinder authored
This fixes the handler's lifetime annotation and adds introtrospection for the rest of the derivative api. Also fixes a cut-and-paste problem affecting derivative of a reference to a non-existing cell.
53c161e3
This fixes the handler's lifetime annotation and adds introtrospection for the rest of the derivative api. Also fixes a cut-and-paste problem affecting derivative of a reference to a non-existing cell.