cm-kazup0n

#!/usr/bin/env python
# -*- coding: utf-8 -*-


# ==================
# requirements.txt 
# pymssql>=2.1.3
# =================

cm-kazup0n

cm-kazup0n

import java.util.UUID;
import java.time.Instant;
import java.util.Base64;
import java.nio.ByteBuffer;
import java.security.SecureRandom;

/**
AAABZxtu/zzQb1EQOg==:20
AAABZxtu/z1VAsQOvQ==:20
AAABZxtu/z3ckixveA==:20

cm-kazup0n

-- ABC087B - Coins
-- https://atcoder.jp/contests/abs/tasks/abc087_b

type X = Int
type A = Int
type B = Int
type C = Int

isDigitCombiMatch:: X -> (A, B, C) -> Bool
isDigitCombiMatch x (a,b,c) = (50*c + 100*b + 500*a) == x

cm-kazup0n

import cats.implicits._
import cats.{Semigroup, Show}
import cats.effect.{Effect, IO}

sealed trait MessageProcessResult
object MessageProcessResult {

  case object Done extends MessageProcessResult
  case object Pending extends MessageProcessResult
  val values: Seq[MessageProcessResult] = Seq(Done, Pending)

cm-kazup0n

package example

import java.util.concurrent.{Executors, TimeUnit}

import cats.data.ReaderT
import cats.effect.{Concurrent, ContextShift, IO}
import cats.implicits._
import cats.kernel.Monoid
import cats.{Parallel, effect}
import example.APIClient.TotalResult

cm-kazup0n

package util

import scala.concurrent.{ExecutionContext, Future}

/**
  * Future[Option[A]]のラッパー
  * @param value
  * @tparam A
  */
final case class OptionF[A](value: Future[Option[A]]) {

cm-kazup0n

import java.util.concurrent.{Executors, TimeUnit}

import cats.effect._
import cats.implicits._
import com.typesafe.scalalogging.StrictLogging

import scala.concurrent.ExecutionContext
import scala.concurrent.duration._

@SuppressWarnings(Array("org.wartremover.warts.NonUnitStatements"))

cm-kazup0n

https://twitter.com/wonderful_panda/status/1406850885171380225

[空文字]

cabal repl -b split
> import Data.List.Split
Prelude Data.List.Split
> splitOn "," ""
[""]

cm-kazup0n

package example

import cats._
import cats.implicits._

object GroupByAndSort extends App {
  val parents = List(
    Parent(5, "p1", Child("p1-c1", 0)),
    Parent(5, "p1", Child("p1-c2", 1)),
    Parent(4, "p2", Child("p1-c1", 0)),