ARROW-11673: [C++] Casting dictionary type to use different index type [WIP]#10330

edponce wants to merge 1 commit intoapache:masterapache/arrow:masterfrom

edponce:ARROW-11673-Casting-dictionary-type-to-use-differentedponce/arrow:ARROW-11673-Casting-dictionary-type-to-use-differentCopy head branch name to clipboard