Great programmers aren’t born—they’re made. The industry is moving from object-oriented languages to functional languages, and you need to commit to radical improvement. New programming languages arm you with the tools and idioms you need to refine your craft. While other language primers take you through basic installation and “Hello, World,” we aim higher. Each language in Seven More Languages in Seven Weeks will take you on a step-by-step journey through the most important paradigms of our time. You’ll learn seven exciting languages: Lua, Factor, Elixir, Elm, Julia, MiniKanren, and Idris.
Seven More Languages in Seven Weeks: Languages That Are Shaping the Future
by Bruce Tate, Fred Daoud, Jack Moffitt, Ian Dees
Just as each new spoken language can make you smarter and increase your options, each programming language increases your mental tool kit, adding new abstractions you can throw at each new problem. Knowledge is power. The Seven in Seven series builds on that power across many different dimensions. Each chapter in each book walks you through some nontrivial problem with each language, or database, or web server. These books take commitment to read, but their impact can be profound.
About This Book
Learn from the award-winning programming series that inspired the Elixir language. Hear how other programmers across broadly different communities solve problems important enough to compel language development. Expand your perspective, and learn to solve multicore and distribution problems.
When you’re done, you’ll have written programs in five different programming paradigms that were written on three different continents. You’ll have explored four languages on the leading edge, invented in the past five years, and three more radically different languages, each with something significant to teach you.
Seven Lessons from Seven More Languages in Seven Weeks
With each passing day, it is becoming more likely that new programmers will use functional programming, an entirely new programming paradigm. Each of the new languages has something unique to teach the next generation of programmers.
1. To learn functional programming, learn functional composition first.
Programmers who want to improve themselves are learning functional programming in increasing numbers. Factor is a great language for learning about the composition of functions. The concatenative language forces new users to think through how functions will work together.
3. You don’t need callbacks to build a beautiful user interface.
4. To build better cloud applications, your applications need to know how to fail.
Applications are becoming more distributed than ever before. Elixir is among the most promising young languages for building cloud applications that scale well and handle failure in a sensible, reliable way. Elixir combines the natural syntax of Ruby with Clojure-style macros, all on the Erlang virtual machine for distribution and failover.
5. Technical computing will hit the limitations of multicore architectures before most other programming branches will.
Scientific computing is increasingly hitting a wall because existing languages don’t take full advantage of multicore architecture. The Julia language is growing quickly, allowing familiar programming approaches but enabling much more scalable and powerful mathematical models without dropping into C++.
6. Use logic programming when you need to build applications that “think.”
You don’t need to know Mercury or Prolog to write logic programs. If you find yourself needing to occasionally solve logic problems, use a library instead. MiniKanren is one such library that is available in languages like Haskell and Clojure.
7. You don’t need to use Haskell, Agda or Idris to take advantage of advanced type theory in your everyday job.
Sometimes, it’s hard to see the forest for the trees. Languages like Idris are excellent for reasoning about typing. You can build a type model in Idris and adapt it to a language like C++.
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Contents & Extracts
- The Lay of the Land
- Bruce Tate (Elixir and Elm)
- Fred Daoud (Factor)
- Ian Dees (Lua, Idris)
- Jack Moffit (Julia, miniKanren)
- Who Should Read This Book
- A Final Charge
- Online Resources
- Day 1: The Call to Adventure
- Day 2: Tables All the Way Down
- Day 3: Lua and the World
- Wrapping Up Lua
- Day 1: Stack On, Stack Off
- Day 2: Painting the Fence
- Day 3: Balancing on a Boat
- Wrapping Up Factor
- Day 1: Handling the Basics
- Day 2: Taming Callbacks excerpt
- Day 3: It’s All a Game
- Wrapping Up Elm
- Day 1: Laying a Great Foundation excerpt
- Day 2: Controlling Mutations
- Day 3: Spawning and Respawning
- Wrapping Up Elixir
- Day 1: Unified Theories of Code
- Day 2: Mixing the Logical and Functional
- Day 3: Writing Stories with Logic excerpt
- Wrapping Up miniKanren
- Wrapping Up
Brought to You By
Bruce Tate, CTO of icanmaketibetter.com, is a mountain biker, climber, and father of two from Austin, Texas. He is the author of more than ten books, including Seven Languages in Seven Weeks, and is the series editor of the Seven in Seven series.
By day, Ian Dees slings code, tests, and puns at a Portland-area test equipment manufacturer. By night, he converts espresso into programming books, including Cucumber Recipes. Ian tweets as @undees.
Fred Daoud is a truly passionate developer who loves functional programming. He coauthored Seven Web Frameworks in Seven Weeks with Jack Moffitt.
Jack Moffitt falls in love with languages easily. He is a senior research engineer at Mozilla Research and works on Servo, an experimental browser engine written in Mozilla’s new Rust language.