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`pl$Struct()` must have named elements #1011

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etiennebacher opened this issue Apr 2, 2024 · 0 comments · Fixed by #1053

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etiennebacher commented Apr 2, 2024 •

edited

> pl$Struct(x = pl$Float32)
DataType: Struct(
    [
        Field {
            name: "x",
            dtype: Float32,
        },
    ],
)
> pl$Struct(pl$Float32)
DataType: Struct(
    [
        Field {
            name: "",
            dtype: Float32,
        },
    ],
)

>>> pl.Struct({"x": pl.Float32})
Struct({'x': Float32})

>>> pl.Struct(pl.Float32)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Python311\Lib\site-packages\polars\datatypes\classes.py", line 837, in __init__
    self.fields = list(fields)
                  ^^^^^^^^^^^^
TypeError: 'DataTypeClass' object is not iterable

etiennebacher added the bug label

etiennebacher mentioned this issue

Prevent unnamed non-Field elements in pl$Struct() #1053

Merged

etiennebacher added this to the 0.17 milestone

eitsupi closed this as completed in #1053

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