Baunsgaard commented on a change in pull request #1270:
URL: https://github.com/apache/systemds/pull/1270#discussion_r643025563
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File path: src/main/python/systemds/script_building/dag.py
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@@ -74,12 +74,13 @@ class DAGNode(ABC):
sds_context: 'SystemDSContext'
_unnamed_input_nodes: Sequence[Union['DAGNode', str, int, float, bool]]
_named_input_nodes: Dict[str, Union['DAGNode', str, int, float, bool]]
+ _named_output_nodes: Dict[str, Union['DAGNode', str, int, float, bool]]
Review comment:
Maybe my comment was not clear.
The issue is that the list can only be name or number based output nodes,
not both. Therefore making two constructors enforce this design, one that
specify a output list length and one with a list of names. That is why my first
comment says hide it away, because with the previous design, one could access
both arguments, and the implementation therefore have to throw an error if both
arguments are given.
If you make two constructors then no exception handling is needed because
wrong arguments can not happen.
I will change the API appropriately while merging, so no need to change
anything.
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