ValueError

public enum ValueError : Error

Errors caused by values of variables.

  • An argument to a method does not have a valid value.

    Declaration

    Swift

    case invalidArgument
  • nil

    An optional is nil when it should not be.

    Declaration

    Swift

    case `nil`

  • A variable (not necessarily an argument to a method) has an invalid value.

    Declaration

    Swift

    case invalidState