igrep

describe "example group" $ do
  -- Equivalent with RSpec's `let!(:hoge){ 1 }`.
  -- An action passed to `given` function is executed every time
  -- an example (defined by `it`) in the `describe` block is executed,
  -- then the action's result is cached until the example's execution completes.
  hoge <- given $ return 1

  -- Equivalent with RSpec's `let(:hoge){ 1 }` (without exclamation).
  hogeIfNecessary <- givenIfNecessary $ runOnlyIfReferred

igrep

class Parser
  attr_reader :value

  def initialize string, value = nil
    @string = string
    @value = value
  end

  def self.eval string
    self.new(string).expr.value

igrep

#!/bin/env stack
{-
  stack --resolver=lts-12.24 script --package extensible
-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE OverloadedLabels #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE TypeOperators #-}

import           Data.Extensible

igrep

Set-PSDebug -trace 2

$FORMAT = "yyyy-MM-dd"
$QUERY_FORMAT = "yyyyMMdd"

$since = [DateTime]::ParseExact($args[0], $FORMAT, $null)

$until = if ($args[1]) {
  [DateTime]::ParseExact($args[1], $FORMAT, $null)
} else {

igrep

igrep

ghc:
  macosx:
    8.8.0.20190424:
      url: https://downloads.haskell.org/ghc/8.8.1-alpha1/ghc-8.8.0.20190424-x86_64-apple-darwin.tar.xz
      sha256: 563e34bb2d8a48fa5630136c5acc059bab0e807bf4f02b23d0fbc75f38500feb
  windows64:
    8.8.0.20190424:
      url: https://downloads.haskell.org/ghc/8.8.1-alpha1/ghc-8.8.0.20190424-x86_64-unknown-mingw32.tar.xz
      sha256: 1b5ff7995a07e7251b26b3c7dadba57906b7e6d236d0e94c4e92d9b5b8ee3300

igrep

{-# LANGUAGE AllowAmbiguousTypes #-}
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE NoMonomorphismRestriction #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE ScopedTypeVariables #-}

igrep

switch(location.hostname){
  case 'twitter.com':
    location.href = location.href.replace(/^https:\/\/twitter/, 'https://mobile.twitter');
    break;
  case 'mobile.twitter.com':
    location.href = location.href.replace(/^https:\/\/mobile\.twitter/, 'https://twitter');
    break;
}

igrep

#include "stdio.h"

int main()
{
  int array[5];
  int *p;
  int i;

  p = array;                   /* p = &array[0] と同じ */
  for (i = 0; i < 5; i++) {

igrep

import           Data.Bits
import           Data.Word
import           Data.STRef
import           Control.Monad.ST

import           Data.Function

import           Test.Hspec
import           Test.Hspec.QuickCheck