arcizan

object Main {
  def last[T](xs: List[T]): T = xs.last

  def penultimate[T](xs: List[T]): T = xs.init.last

  def nth[T](index: Int, xs: List[T]): T = xs.apply(index)

  def length[T](xs: List[T]): Int = xs.length

  def reverse[T](xs: List[T]): List[T] = xs.reverse

arcizan

object Main {
  import scala.util.{Failure,Try,Success}
  
  def bsearch(n: Int, xs: Vector[Int]): Try[Int] = {
    def _bsearch(l: Int, r: Int): Try[Int] = {
      if(l < r){
        (l + r) / 2 match {
          case m if xs(m) == n => Success(m)
          case m if xs(m) > n => _bsearch(l, m-1)
          case m if xs(m) < n => _bsearch(m+1, r)

arcizan

object Main {
  trait Node {
    val v: Int

    def size(): Int
    def max(): Int
    def min(): Int
    def sum(): Int
    def avg(): Double
    def find(n: Int): Option[Node]

arcizan

#!/bin/bash
######################################################################

# declare variables
full_cmdname="$0"
cmdname=$(basename -- "$full_cmdname" ".sh")
LD_RUN_PATH="/usr/local/lib"
export LD_RUN_PATH

# define functions

arcizan

夢的な何か

• Scala/セキュリティ/暗号など勉強
• ポートフォリオ作る
• 副収入が欲しい
• 定年までは働かない
• 日本脱出
• 英語 (日常会話)
• 筋トレ

arcizan

#!/bin/zsh -fi

emulate -L zsh

setopt prompt_subst hist_reduce_blanks hist_ignore_dups hist_ignore_all_dups hist_ignore_space \
       hist_expire_dups_first hist_save_no_dups # xtrace

typeset -r s3_scheme='s3:/'
typeset -r s3cli_home="${S3CLI_HOME:-$HOME/.s3cli}"
typeset -r s3cli_config_file="$s3cli_home/config"