kalexmills

# Go2Go Snippets

To better understand the impact of the Go generics proposal, this repository collects a list of solutions to problems that could benefit from generics and links to implementations that run on [The go2go Playground](https://go2goplay.golang.org). Multiple implementations for the same problem are highly encouraged. Having a variety of solutions to look at and compare will help the community learn about approaches to generics that may and may not be useful.

Pull requests are welcome, both for solutions to the problems below and solutions of new problems! Just modify this file to a link to a go2go example that includes a `main` method demonstrating correct usage. Maintainers may run format on your submission and modify the link before merging, but we *will* preserve your original commit in the history.

If you are copying from an online source, please make sure 1) you are able to do so and 2) include a link back to the original material.

If you see an implementation in this list that you have 

kalexmills

package main

// Path represents a looping sequence of points which are interpolated between.
// FIXME: this doesn't loop properly at the moment. It will need to be recreated whenever the animation completes.
type Path struct {
	sequence *gween.Sequence
	points   []image.Point
	idx      int
}

kalexmills

Keybase proof

I hereby claim:

• I am kalexmills on github.
• I am kalexmills2021 (https://keybase.io/kalexmills2021) on keybase.
• I have a public key ASDAjVsDVzqIvRcW6yjynPsMwtNjqwucMs3rA736RD1JVQo

To claim this, I am signing this object:

kalexmills

-- sqlite3 flavored SQL

CREATE TABLE comment (
  id INTEGER PRIMARY KEY ASC,
  parent_id INTEGER,
  content TEXT NOT NULL,
  create_time TEXT NOT NULL,
  is_deleted INTEGER DEFAULT 0,
  
  FOREIGN KEY(parent_id) references comment(id)

kalexmills

package main

import (
	"fmt"
	"io"
	"log"
	"strings"
)

func main() {

kalexmills

import cats._
import cats.data._
import cats.implicits._
import cats.syntax._
import cats.effect._
import cats.effect.concurrent._
import cats.effect.implicits._
import cats.effect.ExitCase._
import cats.arrow.Compose

kalexmills

/**
 * Asynchronous CBOR message traffic via tokio / serde. More at https://cbor.io
 *
 * Test via `cargo run` and, in a separate terminal test using these messages.
 *
 * $ echo '00000017A2616364526561646161826568656C6C6F65776F726C64' | xxd -r -p | nc 127.0.0.1 6142
 * $ echo '0000000FA1616D6B68656C6C6F20776F726C64' | xxd -r -p | nc 127.0.0.1 6142
 *
 * First 8 bytes are the length of the data frame, rest is the CBOR message.
 */

kalexmills

package com.niftysoft.gennit.util

import cats._
import cats.implicits._
import scala.annotation.tailrec

case class MultiSet[V] private (data: Map[V,Int]) {

  def filter(f: V => Boolean): MultiSet[V] = MultiSet(data.filter{case(v, mul) => f(v)})

kalexmills

Gennit

Simple DSL for stochastic generative grammars, written in Scala.

Getting Started

Use one of the below two commands to start the REPL.

$ bloop run root
$ sbt run

kalexmills

import cats.data.Reader
import scala.reflect.ClassTag

/**
 * Distribution takes a PFloat and returns an A.
 */
type Distribution[A] = Reader[PFloat, A]

/**
 * PFloat represents a Float describing a probability. Its value is always between