pytorch

7318747a - move all external kernels into a class for better compiler error messages (#59839)

move all external kernels into a class for better compiler error messages (#59839) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/59839 Test Plan: Imported from OSS Reviewed By: ezyang Differential Revision: D29047680 Pulled By: bdhirsh fbshipit-source-id: 18cf4124be440a0a343b5983e1a4165db808e7c1