samredai commented on code in PR #4609:
URL: https://github.com/apache/iceberg/pull/4609#discussion_r855654244
##########
python/src/iceberg/expressions/base.py:
##########
@@ -122,3 +124,37 @@ def __le__(self, other):
def __ge__(self, other):
return self.value >= other.value
+
+
+class Accessor(Generic[T], ABC):
+ """An accessor for a specific position in a container of type T
Review Comment:
You're right, I think I was under the impression that we'd have
implementations of this class but this is a class that will be instantiated and
used directly right? Something like:
```py
container = FooStruct()
container.set(0, "foo")
value = Accessor(position=0, iceberg_type=StringType).get(container)
print(value) # "foo"
```
Does that look right?
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