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fix: generator input silently bypasses make_linked_list empty-list contract #15552

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fix: generator input silently bypasses make_linked_list empty-list contract #15552

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7 changes: 7 additions & 0 deletions data_structures/linked_list/print_reverse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,14 @@ def make_linked_list(elements_list: Iterable[int]) -> LinkedList:
abc
>>> make_linked_list([7, 25])
7 -> 25
>>> make_linked_list(x for x in [7, 25])
7 -> 25
>>> make_linked_list(x for x in range(0))
Traceback (most recent call last):
...
Exception: The Elements List is empty
"""
elements_list = list(elements_list)
if not elements_list:
raise Exception("The Elements List is empty")

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