refactor(hugr-py): freeze custom ops #1279
Merged
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BEGIN_COMMIT_OVERRIDE
feat(hugr-py)!:
ops.Custom
is now a frozen dataclassMakes singletons like
Measure = MeasureDef()
safer, as the instance isn't going to get mutated between usesBREAKING CHANGE: dataclasses that derive from
ops.Custom
now have to be frozen, and instances cannot be mutated.END_COMMIT_OVERRIDE