[Mlir-commits] [mlir] [mlir] Migrate away from ArrayRef(std::nullopt) (NFC) (PR #144989)

[Oleksandr Alex Zinenko]

https://github.com/ftynse approved this pull request.

LGTM. Passing an "empty list" to an array/range reads better than passing "null option".

https://github.com/llvm/llvm-project/pull/144989