Join Scott Gardner for an in-depth discussion in this video Create complex sequences, part of Swift 3 Essential Training: Beyond the Basics.
- [Instructor] Two new sequence methods…were added in Swift 3.…Sequence(first:next) creates an iterable sequence.…If you're familiar with other functional programming…languages such as Haskell,…this is the Swift implementation of iterate.…The sequence can terminate or continue infinitely.…I'll create a sequence of binary integers.…Sequence(first:next) always returns…the first value as the starting value of the sequence.…And then it applies the next closure repeatedly…that modifies that value each time.…
I can iterate over binary sequence in a for/in loop…and print each value.…But I'll still need to make sure I provide…some way to break out of that infinite sequence;…so I'll use a guard statement.…I could've also used one of the prefix methods…I showed you in the last video,…to conditionally end the sequence instead.…I used the prefix method that takes a max length…parameter here instead of writing the guard…statement in the body of the for/in loop.…
I could also have provided a termination factor…in the sequence assignment, such as by chaining a prefix…
- Adding source files, resources, links, and literals
- Adding pages to a playground
- Using overflow operators and bitwise operators
- Using ranges with strings
- Creating complex sequences
- Chaining higher-order functions
- Defining lazy properties
- Using failable initializers
- Mutating methods
- Working with singletons
- Nesting function types
- Creating error types and recursive enumerations
- Extending concrete types
- Referencing selectors and key paths
- Working with protocol-oriented programming
- Defining class-only protocols and optional protocols
- Using option sets, type checking, and casting operators
Skill Level Intermediate
Core Data for iOS and macOS Enterprise Developerswith Jon Bott1h 46m Intermediate
Distributing Your iOS App for Testing with TestFlightwith Ron Buencamino35m 10s Intermediate
iOS App Development: Test-Driven Developmentwith Harrison Ferrone2h 14m Intermediate
3. Strings and Characters
4. Sequences and Collections
5. Control Flow
6. Value and Reference Types
9. Access Control
Understand access control3m 47s
Next steps1m 2s
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