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Day 1 - HackingWithSwift - 100DaysOfSwiftUI Challenge

The secret of getting ahead is getting started. - Mark Twain

First Steps in Swift

Today I learnt about:

  • Variables
  • Strings and Integers
  • Multi-line Strings
  • Doubles and Booleans
  • Type Annotations

The Summary of the entire day was:

  • You make variables using var and constants using let. It’s preferable to use constants as often as possible.
  • Strings start and end with double quotes, but if you want them to run across multiple lines you should use three sets of double quotes.
  • Integers hold whole numbers, doubles hold fractional numbers, and booleans hold true or false.
  • String interpolation allows you to create strings from other variables and constants, placing their values inside your string.
  • Swift uses type inference to assign each variable or constant a type, but you can provide explicit types if you want.

That's All for the Day 1 of 100DaysOfSwiftUI!