Fixes two edge cases with the mapping of double types#886

Merged

Oct 16, 2025

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10 warnings

Possible null reference argument for parameter 'value' in 'void Dictionary<string, string>.Add(string key, string value)'.

src/MiniExcel.Core/WriteAdapters/AsyncEnumerableWriteAdapter.cs#L67

Possible null reference argument for parameter 'instance' in 'object? MiniExcelProperty.GetValue(object instance)'.

src/MiniExcel.Core/WriteAdapters/AsyncEnumerableWriteAdapter.cs#L23

Possible null reference argument for parameter 'value' in 'List<MiniExcelColumnInfo> CustomPropertyHelper.GetColumnInfoFromValue(object value, MiniExcelBaseConfiguration configuration)'.

src/MiniExcel.Core/WriteAdapters/EnumerableWriteAdapter.cs#L96

Possible null reference argument for parameter 'prop' in 'CellWriteInfo.CellWriteInfo(object? value, int cellIndex, MiniExcelColumnInfo prop)'.

src/MiniExcel.Core/Helpers/ThrowHelper.cs#L28

Dereference of a possibly null reference.

src/MiniExcel.Core/Api/OpenXmlImporter.cs#L159

Possible null reference argument for parameter 'value' in 'void Dictionary<string, string>.Add(string key, string value)'.

src/MiniExcel.Core/DataReader/MiniExcelDataReader.cs#L17

Non-nullable field '_keys' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

src/MiniExcel.Core/Attributes/MiniExcelColumnAttribute.cs#L47

Non-nullable property 'CustomFormatter' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

src/MiniExcel.Core/DataReader/MiniExcelAsyncDataReader.cs#L19

Non-nullable field '_keys' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

src/MiniExcel.Core/Api/OpenXmlImporter.cs#L315

Async-iterator 'OpenXmlImporter.CastAsync(IAsyncEnumerable<dynamic>, CancellationToken)' has one or more parameters of type 'CancellationToken' but none of them is decorated with the 'EnumeratorCancellation' attribute, so the cancellation token parameter from the generated 'IAsyncEnumerable<>.GetAsyncEnumerator' will be unconsumed

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Fixes two edge cases with the mapping of double types#886