NomadBlacky

buildscript {
    repositories {
        jcenter()
    }
    
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

NomadBlacky

@ val options = List(None, None, Some(1), None, Some(2))
options: List[Option[Int]] = List(None, None, Some(1), None, Some(2))

@ options.collectFirst {
    case Some(v) => v
  }
res4: Option[Int] = Some(1)

NomadBlacky

@ def foo[T: scala.reflect.ClassTag](obj: Any): Unit = obj match {
    case t: T => println(t.getClass.getName)
    case _ => println("ng")
  }
defined function foo

@ foo[Int](1)
java.lang.Integer

NomadBlacky

scala> val a = doc >> elements("rect") >> attrs("data-date")
a: Iterable[String] = List(2016-06-05, 2016-06-06, 2016-06-07, 2016-06-08, 2016-06-09, 2016-06-10, 2016-06-11, 2016-06-12, 2016-06-13, 2016-06-14, 2016-06-15, 2016-06-16, 2016-06-17, 2016-06-18, 2016-06-19, 2016-06-20, 2016-06-21, 2016-06-22, 2016-06-23, 2016-06-24, 2016-06-25, 2016-06-26, 2016-06-27, 2016-06-28, 2016-06-29, 2016-06-30, 2016-07-01, 2016-07-02, 2016-07-03, 2016-07-04, 2016-07-05, 2016-07-06, 2016-07-07, 2016-07-08, 2016-07-09, 2016-07-10, 2016-07-11, 2016-07-12, 2016-07-13, 2016-07-14, 2016-07-15, 2016-07-16, 2016-07-17, 2016-07-18, 2016-07-19, 2016-07-20, 2016-07-21, 2016-07-22, 2016-07-23, 2016-07-24, 2016-07-25, 2016-07-26, 2016-07-27, 2016-07-28, 2016-07-29, 2016-07-30, 2016-07-31, 2016-08-01, 2016-08-02, 2016-08-03, 2016-08-04, 2016-08-05, ...

scala> a.filter(_ == "2017-06-01")
res1: Iterable[String] = List(2017-06-01)

scala> doc >> elements("rect") >/~ validator(attr("data-date"))(_ == "2017-06-01")
res2: Either[Unit,net.ruip

NomadBlacky

scala> Some("a").map(_ == "a").getOrElse(false)
res5: Boolean = true

scala> Some("a").exists(_ == "a")
res6: Boolean = true

scala> Some("a").contains("a")
res7: Boolean = true

NomadBlacky

package org.nomadblacky.oreoretemplate

import xsbti.{ AppConfiguration, MainResult }
import scala.reflect.io.File

/**
 * Created by blacky on 17/05/02.
 */
case class Config(variablesFile: File = File("variables"), templateDirectory: File = File("templates"))

NomadBlacky

$ git rebase -i 【間違えたコミットのひとつ前のコミット】