holysugar

def simpleblock(&block)
  block.call
end

class Sandbox # こういうときは BasicObject 継承がいいと思うけど説明の都合でこのまま
end

def sandbox(&block)
  Sandbox.new.instance_eval(&block)
end

holysugar

#!/usr/bin/env ruby
require "json"

class GcpProjectMember
  attr_reader :users, :service_accounts

  def initialize
    @users = Hash.new{|h,k| h[k] = [] }
    @service_accounts = Hash.new{|h,k| h[k] = [] }
  end

holysugar

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>jenkins-agent</string>
    <key>ProgramArguments</key>
    <array>
        <string>/usr/bin/java</string>
        <string>-Dfile.encoding=UTF-8</string>

holysugar

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>jenkins-agent</string>
    <key>ProgramArguments</key>
    <array>
        <string>/usr/bin/java</string>
        <string>-Dfile.encoding=UTF-8</string>

holysugar

#!/usr/bin/env ruby

require 'benchmark'
require 'json'
require 'securerandom'
require 'objspace'

require 'active_model'
require 'hashie'
require 'dry-struct'

holysugar

holysugar

#!/bin/bash

. ../functions/base.subr

install_once nginx
# install_once nginx_config
# install_once rbenv
# ...

holysugar

class Array
  def to_proc
    ->(this) { this.send(*self) }
  end
end

[1,2,3].map(&[:+, 1]) #=> [2,3,4]

def apply(sym, args=[]); ->(this) { this.send(sym, *args) }; end
alias _ apply

holysugar

require 'benchmark'
require 'active_support/all'

n = ARGV[0]&.to_i || 50000
m = ARGV[1]&.to_i || 20

arr = Array.new(m){|i| [i, [:a, :b, :c, :d].sample] }.shuffle.to_h
Benchmark.bmbm do |b|
  b.report("1:") { n.times{ arr.select{|_,v| v == :a }.max&.first }}
  b.report("2:") { n.times{ arr.each_with_object([]){|(k,v),o| o << k if v == :a }.max }}

holysugar

require 'benchmark'
require 'active_support/all'

n = 20000
m = 100

arr = Array.new(m){|i| [i, [:a, :b, :c, :d].sample] }.shuffle.to_h
Benchmark.bmbm do |b|
  b.report("1:") { n.times{ arr.select{|_,v| v == :a }.max&.first }}
  b.report("2:") { n.times{ arr.each_with_object([]){|(k,v),o| o << k if v == :a }.max }}