Commits


Korn, Uwe authored and Wes McKinney committed dc533211a88
ARROW-1648: C++: Add cast from Dictionary[NullType] to NullType Author: Korn, Uwe <Uwe.Korn@blue-yonder.com> Author: Wes McKinney <wes.mckinney@twosigma.com> Closes #1189 from xhochy/ARROW-1648 and squashes the following commits: 21c2e33e [Wes McKinney] Resolve rebase conflicts 8d531c82 [Korn, Uwe] Mark single argument constructor explicit 68f180f4 [Korn, Uwe] ARROW-1648: C++: Add cast from Dictionary[NullType] to NullType