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Swift Functional Programming - Second Edition by Dr. Fatih Nayebi

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Classes and structures

Classes and structures are general-purpose, flexible constructs that become the building blocks of a program's code. They have the following features:

  • Properties can be defined to store values
  • Methods can be defined to provide functionality
  • Subscripts can be defined to provide access to their values using subscript syntax
  • Initializers can be defined to set up their functionality beyond a default implementation
  • They can conform to protocols to provide standard functionality of certain kinds

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