Lightbend Scala Language - Expert
Enrollment in this course is by invitation only
Unleash the power of Scala's type system.
On-site and Remote Options Available
This is a three day course with a live instructor offered to private groups of 5-12 people. At this time, we do not offer the course to individuals. Please contact us to arrange a your group booking. Please ensure you include the name of the course you are inquiring about.
About This Course
The power of Scala’s type system, unleashed - advanced object functional programming, implicits, and more. Leverage rich language features to create well-designed libraries or DSL’s, utilizing proven best practices.
Participants
- Developers who have experience and proficiency in Scala including topics covered in “Lightbend Scala Language - Professional”
- Developers who want to understand advanced features in Scala
- Managers who want to gain a deep understanding of functional programming
Benefits
- Developers gain knowledge and skills to confidently program in Scala at a high level
- Certified Lightbend Trainers share deep insights that drive business results
- Advance to the limits of Scala capability!
Logistics
- Level: Advanced - knowledge of and practical experience with Scala is assumed as taught in Lightbend Scala Language - Professional
- Length: Three days - 21 hours of classroom time, plus breaks
- Approach: Hands-on mastery - students code through workshop case study and explore how to solve the toughest Scala challenges in their own work
- Requirements: Students bring their own laptops with Java 8
Course Syllabus
- Recap of important basics
- Object-Functional Programming in Depth
- Recursion and tail-recursion
- Partial functions and partial function literals
- Curried methods, partially applied functions
- Lifting methods into functions
- Folding
- Mastering the Type System
- Scala type hierarchy
- Value classes
- Type parameters
- Variance
- Package objects
- Lower and upper bounds
- (Abstract) Type members
- Singleton Types
- Type refinements
- Static duck-typing
- Path-dependent types
- Self Types
- Explicitly Implicit
- Implicit conversions
- Implicit resolution, scopes and precedence
- Library extension via implicit (value) classes
- Implicit parameters
- Implicit Values
- Type classes
- Implicit parameter chaining
- Type class examples in the Scala core library
- Type constructors
- Context bounds
- Type witnesses
- Type tags
- Domain Specific Languages (DSLs)
- DSL Building blocks:
- By-name parameters
- Currying
- Higher-order functions
- Dot-free operator notation
- Implicit conversions
- Phantom types
- Finite State Machines (FSM)
- DSL Building blocks:
- Scala Futures and Promises
- Execution contexts and Thread Pools
- Creating & working with Futures
- Futures & Failures - callbacks & recovery
- Futures, concurrency & parallelism
- Future.sequence/Future.traverse
- Creating an already completed Future
- Dealing with Future[Option[_]] and for comprehensions
- Futures - Do's and Don'ts
- Promises
- Custom Scala Collections
- Uniform return type principle
- Collection Builders
- Like traits
- Type classes for the tricky cases