Scala Expert Recipes

Scala Optimizations 4 lectures 38:49 The Course Overview This video provides an overview of the entire course. Recursion and the tailrec Annotation Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Switch Annotation Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Value Classes Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class Scala Optimizations 4 lectures 38:49 The Course Overview This video provides an overview of the entire course. Recursion and the tailrec Annotation Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Switch Annotation Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Value Classes Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class The Course Overview This video provides an overview of the entire course. The Course Overview This video provides an overview of the entire course. The Course Overview This video provides an overview of the entire course. The Course Overview This video provides an overview of the entire course. This video provides an overview of the entire course. This video provides an overview of the entire course. Recursion and the tailrec Annotation Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Recursion and the tailrec Annotation Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Recursion and the tailrec Annotation Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Recursion and the tailrec Annotation Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Ensuring recursive code is optimized by the Scala compiler. • Understand the issues with regular recursion • Write a tail recursive function • Apply tailrec annotation to check compiler optimization Switch Annotation Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Switch Annotation Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Switch Annotation Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Switch Annotation Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Ensuring pattern matches are optimized by the Scala compiler. • Understand the basics of jump tables • Write a pattern match that is optimized to a jump table • Apply switch annotation to check compiler optimization Value Classes Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class Value Classes Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class Value Classes Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class Value Classes Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class Creating zero-overhead class abstractions. • Understand the concept of value classes • Write a value class • Understand how Option is implemented as value class The Implicit Keyword 3 lectures 40:56 Basic Implicit Parameters Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Implicit Parameters and Typeclasses Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Implicit Classes and Object Extensions Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes The Implicit Keyword 3 lectures 40:56 Basic Implicit Parameters Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Implicit Parameters and Typeclasses Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Implicit Classes and Object Extensions Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes Basic Implicit Parameters Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Basic Implicit Parameters Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Basic Implicit Parameters Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Basic Implicit Parameters Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Applying implicit parameters and seeing how the compiler resolves them. • Write a function with implicit parameters • Understand the basics of implicit resolution • Understand why implicit can be useful Implicit Parameters and Typeclasses Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Implicit Parameters and Typeclasses Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Implicit Parameters and Typeclasses Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Implicit Parameters and Typeclasses Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Using implicit parameters to implement the typeclass pattern. • Understand implicit parameters for typeclasses • Implement a typeclass hierarchy • Extend your existing typeclass hierarchy Implicit Classes and Object Extensions Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes Implicit Classes and Object Extensions Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes Implicit Classes and Object Extensions Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes Implicit Classes and Object Extensions Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes Extending objects via implicit classes and implicit value classes. • Use an implicit class to extend StringOps • Use an implicit class to extend a regular object • Understand how implicit classes work with value classes Understanding Scala Behind the Scenes 3 lectures 26:17 Java Interoperation Understanding how Scala is exposed to Java and how Java’s collections interop with Scala’s. • Wrap a Java collection in a Scala collection API • Wrap a Scala collection in a Java collection API • Understand how Java sees Scala code Profiling Scala Understanding how Scala is visible in the YourKit profiler. • Attach YourKit to a running Scala application • Capture a performance snapshot of a Scala application • Understand how to read a Scala performance snapshot in YourKit Debugging Scala in an IDE Understanding how Scala is visible to the IntelliJ IDEA debugger. • Fire up a Scala application in the IDEA debugger • Explore Scala stack traces and variables in the IDEA debugger • Understand the manifestation of Scala properties in the IDEA debugger Understanding Scala Behind the Scenes. 3 lectures 26:17 Java Interoperation Understanding how Scala is exposed to Java and how Java’s collections interop with Scala’s Parameterized Types and Generic Programming Knowing when to apply parameterized types and manifests. • Identifying use cases for parameterized methods • Applying manifests to capture erased types • Applying type...