Swift is a new brainchild of Apple to make iOS app development quick and easy for all just like PHP and Android. This move of Apple definitely reward the Apple and its iOS developers by reducing cost and timeline of iOS app programming. Let’s have a glance at some alluring features of Swift programming language in this post.
Recently Apple has made iOS and OSX developers cheer up, by announcing a new programming script for all iOS and OSX software in order to overcome the pitfalls of C-class languages including Objective C.
Since the release of first iPhone SDK, the third-party developers were struggling with Objective C and other C class languages and frameworks used in the iOS app development. Reasons were countable such as:
– Tough to learn
– Intricate coding styles, patterns, and libraries
– Time consuming coding
– Framework supports
– Lack of dynamic and modern touch to the old programming languages
– And many more
Fortunately, Apple has overcome most of the shortcomings with a single stroke of Swift announcement. Let’s see how it has done in brief.
Swift is Easy to Learn
In objective C and C class languages, newbie programmers have to build an app and run it in a particular programming environment where developer has to import a separate library for functionality like input/output or string handling, etc. for a simple test of code each time. Apple has reduced these steps by introducing Playground feature to experiment code directly in Xcode to see immediate results without any overhead activity.
Another move is simplification of code. For instance, if you want to write just Hello Word sentence in Swift:
You may have noticed its simplicity in syntax and coding pattern. It looks almost familiar for basic C language knowledgeable programmer and almost all colleges of programming language first thought about C, not PHP! Even PHP is based on C syntax.
Another important factor is removal of semicolons and other symbols at the end of each scripting sentence. This definitely is a speed booster for a new as well as seasoned software developer.
Swift is Simple to Code
Apple has invested in Swift by advancing its compilers hence iOS app development becomes more object oriented in nature and easy to code using simple codes to accomplish complex tasks at a time.
For instance, in below example you will find “let” command to make a constant and “var” for variables. Now, in Swift, you don’t need to assign a value to constant at compile time, but you have to assign it a value once and use in multiple times at various places without repetitions.
var myVariable = 42
myVariable = 50
let myConstant = 42
Moreover, you save yourself writing the type explicitly each time because you can provide a value at the time of creation of a constant or variable and let your compiler to infer its type automatically. Therefore, in above example “myVariable” is inferring as an integer by compiler as its initial value is an integer not a variable even though it is termed as variable apparently.
Swift an Advance Language
No doubt, Apple has spent year to make Swift and advanced its compilers, debugger, and its framework infrastructure in order to meet the modern needs of contemporary iOS app development against the rivals like Android. In order to make iOS app development cost-effective it has to make coding rapid by simplification in syntax and Apple has done that smartly in Swift.
Apple also has simplified the memory management using ARC (Automatic Reference Counting) and used Foundation as well as Cocoa as solid base for framework stack, as it has modernized and standardized in recent past throughout the evolution of iOS.
The most important features of Swift is it is intermixing easily with Objective C due to the updated supports of Objective C to the blocks, collection, literals, and modules. This reduces the friction between existing Objective C code and new Swift code, and let programmers to switch gradually and on the go, instead of replacing entire code base.
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