Cookbook – SWIFT for Beginners – Chapter 36: Blocks

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If you’re just starting out with SWIFT, you may have heard the term “blocks” being mentioned in various places. But what exactly are blocks, and how can they be used to write better code in SWIFT?

In a nutshell, blocks are a way to write anonymous functions, or self-contained pieces of code, that can be executed at a later time. They are similar to functions, but unlike functions, blocks do not have a name and cannot be reused in multiple places in your code.

One of the main benefits of using blocks in SWIFT is that they allow you to write code that is more flexible and reusable. By writing blocks of code that can be executed at a later time, you can create reusable blocks of code that can be used in a variety of situations.

Another benefit of using blocks in SWIFT is that they can make your code more readable and understandable. By breaking down your code into smaller, self-contained blocks, you can write code that is easier to understand, even for someone who is new to the codebase.

Getting started with blocks in SWIFT is easy. To create a block, simply enclose a piece of code within curly braces ” {} ” and assign it to a variable using the “let” keyword. To execute a block, simply call the variable that the block is assigned to, followed by parentheses “()”.

In conclusion, blocks are a powerful feature in SWIFT that can greatly enhance your coding skills and help you write cleaner, more concise, and more reusable code. If you’re just starting out with SWIFT, it’s definitely worth learning the basics of blocks and incorporating them into your coding practice.


Cookbook – SWIFT for Beginners – Chapter 36: Blocks

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