dadhi

//live: https://scastie.scala-lang.org/dadhi/G2uzgCqXSbiav34bM602iw/68

trait EntryFactory[K] {
  def create(key: K): Entry[K]
}

object EntryFactory {
  implicit def anyFactory[K]: EntryFactory[K] =
    new EntryFactory[K] {
      override def create(key: K) = KEntry(key, key.hashCode)

dadhi

Minimal APIs

WebApplication

Creating an application

var app = WebApplication.Create(args);

app.MapGet("/", () => "Hello World");

dadhi

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

dadhi

NuGet/Home#5986 (comment)

I've found that you can manually control which .dlls to reference and which .dlls to copy to output from a NuGet package if you turn off all assets on the PackageReference:

<PackageReference Include="Foo.MyPackage" Version="1.0.0" ExcludeAssets="all" GeneratePathProperty="true" />

and then manually reference the .dlls you need:

dadhi

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dadhi

A collapsible section containing markdown

Click to expand!

Heading

1. A numbered
2. list
   • With some
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dadhi

<Project>

  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />

  <PropertyGroup>
    <TargetFramework>netstandard1.0</TargetFramework>
    <IsPackable>true</IsPackable>
    <IncludeBuildOutput>false</IncludeBuildOutput>
    <ContentTargetFolders>contentFiles</ContentTargetFolders>
    <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>

dadhi

/*
Execute me as:
```
dotnet tool install dotnet-script
dotnet sctipt https://tinyurl.com/yylj3vcp
```
```cs */

#r "nuget: Microsoft.Extensions.DependencyInjection, 2.2.0"
#r "nuget: Microsoft.Extensions.Options, 1.0.0"

dadhi

Get-ChildItem .\ -include bin,obj -Recurse | foreach ($_) { remove-item $_.fullname -Force -Recurse }

dadhi

import zio._

object ZLayerPlayground {
  case class User(id: String, name: String)

  class MongoDb {
    def insertUser(user: User): Task[Unit] = Task.succeed(()) <* UIO(println(s"[MongoDb]: Inserted user $user"))
  }

  object MongoDbLayer {