Queries the number of child items in the container that we are iterating over. This is the total number of items -- not the number of items remaining.
This function might be useful for preallocation of arrays.
the number of children in the container
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Queries the number of child items in the container that we are iterating over. This is the total number of items -- not the number of items remaining.
This function might be useful for preallocation of arrays.