pipeline.Merge.__call__
def __call__(self, exprs: list[CostExpression]) -> CostExpressionMerge ``exprs`` into one :class:`~unitrack.data.CostExpression`.
Parameters
| Name | Type | Description |
|---|---|---|
| exprs | list[CostExpression] | Per-branch cost expressions, all of shape ``(N, M)``. |
Returns
CostExpression — The reduced expression.
Source: unitrack/pipeline/merge.py:32