amutake

module Main where

main :: IO ()
main = do
  putStrLn "Hello World"

amutake

dist
dist-newstyle
.ghc.environment.*

amutake

(* types *)

type erl_expr =
  | ErlInt of int
  | ErlVar of string
  | ErlApp of erl_expr * erl_expr (* F(A) *)
  | ErlMatch of erl_pat * erl_expr (* P = E *)
and erl_pat =
  | ErlPatVar of string

amutake

クライアント -> サーバ (UDPパケット1つにQUICパケット1つ)

  Header: Long Header (0b1000_0000)
  Type: Initial (0x7f)
  Version: IETF QUIC draft-14 (0xff00000e)
  DCIL: 18 (0xf + 3)
  SCIL: 17 (0xe + 3)
  Dst Connection ID: 0xf2aca972962edd0f195aa1bb9a16734be91b
  Src Connection ID: 0xd545b3713ec650dc4844f59652f737fa3a
  Token Length: 0 (0x00, variable-length integer)

amutake

-module(fun_call_vs_msg_passing_heavy).

-export([fun_call/1, msg_passing/1]).

fib(0) -> 0;
fib(1) -> 1;
fib(N) -> fib(N - 1) + fib(N - 2).

%% fib(20) (そこそこ重い処理のつもり) を N 回呼び出す
fun_call(N) ->

amutake

module Main where

import Control.Monad
import Data.List (nub)

data Coin = Black | White | Blank deriving (Eq, Ord)

instance Show Coin where
  show Black = "●"
  show White = "○"

amutake

• Feature Name: pattern-binding-modes
• Start Date: 2016-08-12
• RFC PR: rust-lang/rfcs#2005
• Rust Issue: rust-lang/rust#42640

概要

参照に関するパターンマッチをよりわかりやすくします。

現在、参照に関するパターンマッチは ref と & を使いわけなければいけません。

amutake

http://rust-lang.github.io/rfcs/1522-conservative-impl-trait.html

• Fature Name: conservative_impl_trait
• Start Date: 2016-01-31
• RFC PR: rust-lang/rfcs#1522
• Rust Issue: rust-lang/rust#34511

概要

amutake

Array.prototype.map.call(document.querySelectorAll("table tbody tr"), function (tr) { var c = tr.children; return c[2].textContent + "年" + c[3].textContent + "組" + "『" + c[4].textContent + "』"; }).join("\n");

amutake

#!/usr/bin/env bash

FOCAL=focal.dat
WC=~/tmp/wc.rb

if [[ "$1" == "-t" && ! -z "$2" ]]; then
  exiftool -T -focallengthin35mmformat *.JPG | grep -v '-' | awk '{print NR, $0}' > $FOCAL
  gnuplot -p -e "set terminal png; set term png size 2000,500; set term png font 'ヒラギノ丸ゴ ProN W4, 16'; set output '$2'; set xlabel 'n枚目'; set ylabel '焦点距離'; plot '$FOCAL' using 1:2:(1) with boxes"
  rm $FOCAL
  open $2