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Alexandre Bertails betehess

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@fommil
fommil / Reference ENSIME server launcher
Created June 11, 2015 16:32
#!/bin/bash
# This script is the reference implementation of how to start the
# ENSIME server given an ENSIME config file, bootstrapping via sbt[1].
# It is not intended to be portable across operating systems, or
# efficient at caching the results of previous invocations.
# Typically it is best to take the basic concepts of this script and
# to port it to the natural language of the extensible editor that
# intends to support ENSIME.
@pchiusano
pchiusano / LinkedMap.scala
Created November 12, 2015 16:33
Simple purely functional map that efficiently tracks insertion order
/**
* A Map which tracks the insertion order of entries, so that entries may be
* traversed in the order they were inserted. Uses just two purely functional
* maps.
*/
import scala.collection.immutable.LongMap
class LinkedMap[K,V](
entries: Map[K,(V,Long)],
@purefn
purefn / Modern FP with mtl.scala
Created January 15, 2016 20:36
import scalaz._
import Scalaz._
import scalaz.effect._
package object types {
type Bytes = String
type Path = String
}
@przemek-pokrywka
przemek-pokrywka / hello-coursier-ammonite-play.sh
Last active May 7, 2016 22:55
Serve a webpage using Play framework with a simple script. Nothing more, than Linux and Java required. Thanks to brilliant work of Alexandre Archambault, @li_haoyi and Play developers.
#!/bin/bash
test -e ~/.coursier/cr || (mkdir -p ~/.coursier && wget -q -O ~/.coursier/cr https://git.io/vgvpD && chmod +x ~/.coursier/cr)
CLASSPATH="$(~/.coursier/cr fetch -q -p \
\
com.typesafe.play:play-netty-server_2.11:2.5.0 \
com.typesafe.play:play_2.11:2.5.0 \
com.lihaoyi:ammonite-repl_2.11.7:0.5.2 \
\
)" java \
-Dplay.crypto.secret=foo.bar.baz \
@etorreborre
etorreborre / implicits.scala
Created May 25, 2016 06:35
Show applied implicits in the REPL
scala> import cats.implicits._
import cats.implicits._
scala> (1 -> 2) === (1 -> 3)
res0: Boolean = true
scala> import scala.reflect.runtime.universe._
import scala.reflect.runtime.universe._
scala> showCode(reify { (1 -> 2) === (1 -> 3) }.tree)
@jdegoes
jdegoes / Applied-FP-with-Scala.md
Last active May 17, 2025 21:13

Applied Functional Programming with Scala - Notes

Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.

1. Mastering Functions

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
@bmc
bmc / StaticFile.scala
Last active September 3, 2021 20:08
I needed code to serve static files from an Akka HTTP server. I wanted to use fs2 to read the static file. Michael Pilquist recommended using streamz to convert from an fs2 Task to an Akka Source. This is what I came up with. (It does actually work.)
object StaticFile {
// Various necessary imports. Notes:
//
// 1. fs2 is necessary. See https://github.com/functional-streams-for-scala/fs2
// 2. streamz is necessary. See https://github.com/krasserm/streamz
// 3. Apache Tika is used to infer MIME types from file names, because it's more reliable and
// fully-featured than using java.nio.file.Files.probeContentType().
//
// If using SBT, you'll want these library dependencies and resolvers:
@lamdor
lamdor / build.sbt
Last active May 26, 2021 21:27
Playing around with tagless final style and Eff (from https://github.com/edmundnoble/final-tagless-typelevel-summit)
scalaVersion := "2.11.8"
scalaOrganization := "org.typelevel"
libraryDependencies ++= Seq(
"org.typelevel" %% "cats" % "0.9.0",
"org.atnos" %% "eff" % "4.0.0"
)
addCompilerPlugin("org.spire-math" %% "kind-projector" % "0.9.3")
@ioleo
ioleo / GenericTaglessAlgebra.scala
Last active February 12, 2018 20:17
Example of generic tagless algebra with Cats and Freestyle. Additional type args beyond F[_] in algebras are not currently supported. To work around we use path dependent types.
import cats.data.State
import freestyle.tagless._
/* domain objects */
sealed trait Acme
object Acme {
case object AcmeUK extends Acme
case object AcmeUS extends Acme
}
@dacr
dacr / gatling-simple.sc
Last active April 2, 2023 10:12
Just ONE ammonite script file to execute a load performance test using gatling ! / published by https://github.com/dacr/code-examples-manager #ea7a4259-9461-44a8-99fa-1ec6ec3c48ed/6bc5335f1571c83edc6278c55499c9c7ae43a5c0
// summary : Just ONE ammonite script file to execute a load performance test using gatling !
// keywords : scala, gatling, ammonite, scala, load-test, performance
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : ea7a4259-9461-44a8-99fa-1ec6ec3c48ed
// created-on : 2018-09-22T07:41:07Z
// managed-by : https://github.com/dacr/code-examples-manager
// execution : scala ammonite script (http://ammonite.io/) - run as follow 'amm scriptname.sc'