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3/4課題 #6

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3/4課題 #6

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28 changes: 28 additions & 0 deletions simple/src/main/scala/com/github/tanacasino/study/onozawa/Inplicit.scala
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package com.github.tanacasino.study.onozawa

import org.joda.time.DateTime

/**
* Created by kohsaku.onozawa on 15/03/04.
*/
object Inplicit {
def main(args: Array[String]) {
implicit class RichInt(val value: Int) {
def day: String = {
"d" + value.toString
}
}
implicit class RichDateTime(val value: DateTime) {
def +(t: String): DateTime = {
t match {
case s if s.startsWith("d") => value.plusDays(t.substring(1).toInt)
case s => new DateTime
}
}
}
val now = new DateTime
println(now)
val tomorrow = now + 1.day
println(tomorrow)
}
}