mirror of https://github.com/astral-sh/ruff
37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
from itertools import count, cycle, repeat
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# Errors
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map(lambda x: x, [1, 2, 3])
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6])
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map(lambda x, y, z: x + y + z, [1, 2, 3], [4, 5, 6], [7, 8, 9])
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6], *map(lambda x: x, [7, 8, 9]))
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6], *map(lambda x: x, [7, 8, 9]), strict=False)
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6], *map(lambda x: x, [7, 8, 9], strict=True))
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# Errors (limited iterators).
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map(lambda x, y: x + y, [1, 2, 3], repeat(1, 1))
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map(lambda x, y: x + y, [1, 2, 3], repeat(1, times=4))
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import builtins
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# Still an error even though it uses the qualified name
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builtins.map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6])
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# OK
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map(lambda x: x, [1, 2, 3], strict=True)
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6], strict=True)
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6], strict=False)
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6], *map(lambda x: x, [7, 8, 9]), strict=True)
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map(lambda x, y: x + y, [1, 2, 3], [4, 5, 6], *map(lambda x: x, [7, 8, 9], strict=True), strict=True)
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# OK (single iterable - no strict required)
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map(lambda x: x, [1, 2, 3])
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# OK (infinite iterators)
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map(lambda x, y: x + y, [1, 2, 3], cycle([1, 2, 3]))
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map(lambda x, y: x + y, [1, 2, 3], repeat(1))
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map(lambda x, y: x + y, [1, 2, 3], repeat(1, times=None))
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map(lambda x, y: x + y, [1, 2, 3], count())
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# Regression https://github.com/astral-sh/ruff/issues/20997
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map(f, *lots_of_iterators)
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