[TensorExpr] Wrap fuser in a class. (#42936)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/42936
Test Plan: Imported from OSS
Reviewed By: eellison
Differential Revision: D23084407
Pulled By: ZolotukhinM
fbshipit-source-id: f622874efbcbf8d4e49c8fa519a066161ebe4877
Author
Mikhail Zolotukhin
