Kazu Hirata 96f7f22825
[mlir][examples] Use {} instead of std::nullopt (NFC) (#146949)
This patch fixes deprecation warnings like:

  mlir/include/mlir/IR/TypeRange.h:51:19: error: 'ArrayRef' is
  deprecated: Use {} or ArrayRef<T>() instead
  [-Werror,-Wdeprecated-declarations]
2025-07-03 15:49:43 -07:00
..