Contents

-(_:_:)

Generates a column by subtracting a value from each element in an optional column type.

Declaration

static func - (lhs: Self, rhs: Self.WrappedElement) -> Column<Self.WrappedElement> where Self.WrappedElement : AdditiveArithmetic

Parameters

  • lhs:

    An optional column type.

  • rhs:

    A value of the same type as the optional column’s type.

Return Value

A new column.

See Also

Generating an Optional Column by Combining a Value