Your Ultimate Guidebook to Amazing Features in C# 8.0

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C is pronounced as sea sharp. Today, it is one
of the most prevalent programming languages used
by developers across the globe. It came into
emergence in the year 2000 by Microsoft. The
amazing part is, it is an object -oriented
programming language. Result? It is organized
around objects rather than actions and data
instead of logic. C brings together the lethal
combination of computing power of C with Visual
Basics effortless programming. Did you know? C
has features which are similar to Java. It is
designed to work on a Microsoft platform while
employing the .Net framework.
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• C 8 is about to get released in a couple of
  months time. It can be used to develop web,
  desktop, and mobile apps. You may even use them
  to write code that can run effortlessly on all
  major operating systems. The times are quite
  exciting for C developers. But, if the current
  time is exciting, you can imagine what the future
  holds for this technology?
• Is it possible for us to have a glimpse of the
  things that lie ahead for this programming
  language? We have tried to answer this question
  in the forthcoming sections by looking at the
  amazing features that are going to make C 8.0 a
  lethal programming language for the future. We
  promise after reading this write-up, you will
  understand exactly the things that the new
  updated C 8.0 can offer to a prominent C
  development company.
• So, without much ado, lets get started with the
  proposed features which might be present in C
  8.0.

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• Extension everything
• This is perhaps the least controversial of the
  features that are proposed in a future update of
  C. As a C developer, you might be aware of the
  extension methods which came into existence in
  the year 2007. While there is a particular
  section of developers who believe that this
  feature can be misused others are of the opinion
  that if we use it wisely it can be a great value
  addition to the existing C developers toolkit.
  They are also quite essential for LINQ.
• If you are like us, there would be a burning
  question in your mind Who single out only
  extension methods? Extension properties are also
  on the radar of C developers for a very long
  time. But, the long wait is about to end.
• According to an interview conducted with Mads
  Torgersen, the program manager for C design
  team, a new syntax has been proposed for
  extensions method that will also enable
  extension other things.

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• Lets now look at an example of an extension
  method employing prevailing syntax
• public static class IntExtensions
• public static bool Even(this int value)
• return value 2 0
• There is no surprise here. In the original
  syntax, developers use an extension method which
  uses this keyword before the first parameter.
• In the original syntax, an extension method is
  simply a static method in a static class, with
  the this keyword before the first parameter.
  The problem, this syntax does not resolve the
  concern. Extension everything can act as a
  savior in this situation.

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• Lets now look at the new type of declaration
  known as extension.
• public extension IntExtension extends int
• public bool Even gt this 2 0
• From the code given in the example you can
  comprehend the fact that the C team is yet to
  settle on a syntax.
• The above example depicts the creation of an
  extension class that extends int. The next
  thing is to declare a property as usually done,
  and the process is over.

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• Now, the caller code will be able to exploit the
  property normally
• int x int.Parse(Console.Readline())
• if (x.Even)
• Console.WriteLine(Youve typed an even
  number.)
• This new feature will aid in supporting
  properties, operators, static members, and
  methods at least in the beginning. The events and
  constructors will come at a later time.
• It wont be possible for you to integrate extra
  space to the original instance. That is, creating
  a private field in the extension class.

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• Default implementation on interfaces
• The very first thing that came to our mind when
  we heard about the default implementation on
  interfaces was whether there was any update on
  record types / immutable objects. The other
  important question was What exactly were we
  going to get when it comes to implementation on
  interfaces?
• When we saw the function things got clear. Let us
  now look at the way to add method implementations
  on interfaces with the help of an example.
• interface IDisplayService
• void DisplayMessage(string message)
  WriteLine(message)

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• The great thing is, in C 8.0, the above code is
  perfectly legal. The positive news is, you will
  not require a class implementing the interface to
  use this method. If for some reason,
  implementation of the interface decides that the
  default implementation does not meet the
  requirements, then it can even provide its own
  implementation.
• On top of this, you will also be able to
  integrate bodies for indexers, event accessors,
  and properties. It is even possible for you to
  use static members like properties, indexers, and
  methods. But, the only loophole is, instance
  state will be disallowed in interfaces. Still,
  you will be able to employ static fields but not
  instance fields. Due to this very reason,
  auto-implement properties will also not be
  allowed as they automatically declare a hidden
  backing field.
• As far as the use cases are concerned, you would
  be able to safely evolve an interface. It would
  be possible for you to integrate new methods as
  long as you provide a default implementation
  which would discourage the existing clients of
  the interface from implementing it.

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• Currently, you can resolve this problem with the
  help of an extension method. But, this approach
  is quite limited in scope. Reason? It is not
  possible to get a specialized version of the
  method for one of the implementations. This is
  where default implementation can be extremely
  useful.
• Earlier C use to find it difficult to wrap
  Android / iOS APIs to use them effectively. But,
  that problem can be resolved with the help of C
  8.0.
• The Final Countdown
• C 8.0 will open the doors for efficient
  programming in the near future. In order to take
  maximum advantage of it, take the services of the
  best c development company and exploit the
  features of this amazing programming language to
  the maximum potential.

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