densh

Keybase proof

I hereby claim:

• I am densh on github.
• I am den_sh (https://keybase.io/den_sh) on keybase.
• I have a public key whose fingerprint is A7EB 371C E36F C968 528A 912E 4464 3DC9 4CC7 8F40

To claim this, I am signing this object:

densh

Scoped Implicit Lifetimes

All things considered, our experience in Scala Native has shown that resource management in Scala is way harder than it should be. This gist presents a simple design pattern that makes it resource management absolutely hassle-free: scoped implicit lifetimes.

The main idea behind it is to encode resource lifetimes through a concept of an implicit scope. Scopes are necessary to acquire resources. They are responsible for disposal of the resources once the evaluation exits the

densh

import scalanative.native._
import SDL._
import SDLExtra._

@extern
@link("SDL2")
object SDL {
  type Window   = CStruct0
  type Renderer = CStruct0

densh

import scalanative.native._
import SDL._
import SDLExtra._

@extern
@link("SDL2")
object SDL {
  type Window   = CStruct0
  type Renderer = CStruct0

densh

# ab -n 10000 "http://127.0.0.1:7000/"
This is ApacheBench, Version 2.3 <$Revision: 1807734 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests

densh

# cat main.cpp
#include <stdio.h>

int main() {
    printf("hello, world!");
    return 0;
}

# clang++ -c -Os main.cpp

densh

# cat src/main/scala/Hello.scala 
object Foo {
  val a: Int = a
  val b: Boolean = b
  val c: Char = c
  val d: String = d
}

object Test extends App {
  println(Foo.a)