How do you define enumeration?
An enumeration is a data type that consists of a set of named values that represent integral constants, known as enumeration constants. An enumeration is also referred to as an enumerated type because you must list (enumerate) each of the values in creating a name for each of them.
What is Rawvalue in Swift?
A Swift enum can either have raw values or associated values. Why is that? It’s because of the definition of a raw value: A raw value is something that uniquely identifies a value of a particular type. “Uniquely” means that you don’t lose any information by using the raw value instead of the original value.
What is enumeration used for?
An enumeration, or Enum , is a symbolic name for a set of values. Enumerations are treated as data types, and you can use them to create sets of constants for use with variables and properties.
What is difference between enumerate and list?
As verbs the difference between enumerate and list. is that enumerate is to specify each member of a sequence individually in incrementing order while list is to create or recite a list or list can be (poetic) to listen or list can be (nautical) to tilt to one side or list can be (archaic|transitive) to be pleasing to.
What is enumeration in OOP?
“The enum keyword is used to declare an enumeration, a distinct type that consists of a set of named constants called the enumerator list. Usually it is best to define an enum directly within a namespace so that all classes in the namespace can access it with equal convenience.
What is structure and enumeration?
The structure is a user-defined data type that is a collection of dissimilar data types. Enum is to define a collection of options available. 3. A struct can contain both data variables and methods. Enum can only contain data types.
How does enum work in Swift?
What is a Swift Enum? According to the Swift documentation enumeration is defined as “a common type for a group of related values and enables you to work with those values in a type-safe way within your code”. Think of it as a type of variable that is specifically used switch/conditionals.
What is difference between Iterator and enumerator?
Iterator can do modifications (e.g using remove() method it removes the element from the Collection during traversal). Enumeration interface acts as a read only interface, one can not do any modifications to Collection while traversing the elements of the Collection.
What is difference between Iterator and enumeration?
In Iterator, we can read and remove element while traversing element in the collections. Using Enumeration, we can only read element during traversing element in the collections. 2. It can be used with any class of the collection framework.