- Web Server: Play (framework) or http4s (library)
- Actors: akka
- Asynchronous Programming: monix (for tasks, reactors, observables, scheduler etc)
- Authentication: Silhouette
- Authorization: Deadbolt
- Command-line option parsing: case-app
- CSV Parsing: kantan.csv
- DB: doobie (for PostgreSQL)
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import shapeless._ | |
import ops.hlist.Tupler | |
trait TupleGeneric[C <: Product] extends Serializable { | |
type Repr <: Product | |
def to(t : C) : Repr | |
def from(r : Repr) : C | |
} |
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A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x