Contents

map(_:)

Creates a new column of typed values by applying the given thread-safe transform to every non-missing element of this untyped column.

Declaration

func map<T>(_ lazyTransform: @escaping (MLDataValue) -> T) -> MLDataColumn<T> where T : MLDataValueConvertible

Parameters

  • lazyTransform:

    A thread-safe element transformation function. The implementation of the transform you provide should accept an Element of the column and return a transformed value of a type that conforms to Mldatavalueconvertible.

Return Value

A new MLDataColumn typed to the return type of lazyTransform.

See Also

Transforming elements to generate a data column