judofyr

# Mixin to scan an array for objects that respond to a given method
module WithMethod

  # Iterates through the array and returns a list of items that
  # respond to method
  def with_method(method)
    self.select do |item|
      item.respond_to(method)
    end
  end

judofyr

// This would be sweet Miko:
// Go Object.property!
Speck.describe("your mother") {
  it.should("be true") {
    true.should = true
  }
  
  it.should("not be false") {
    false.should_not = true
  }

judofyr

# Creates a little histogram of the frequency of words occuring in your string
# Usage : ruby word_histogram.rb "Test string, string"

h=Hash.new(m=0);ARGV[m].scan(/\w+/).map{|x|h[x.downcase]+=1;m=[m,x.size].max};h.sort.map{|k,v|puts"=> %-#{m+4}s#{'*'*v}"%k}

judofyr

class Echo < Plugin
  author "Henrik Hodne (dvyjones)"

  permission :echo, :default => false
 
  help "Says whatever text you pass to it."
  def echo(line)
    say(line)
  end
end

judofyr

"SortedSet" behaves like "Array (sorted after every insert)" and "(insert in place)".

Rehearsal ---------------------------------------------------------------------
Array (unsorted)                    0.120000   0.000000   0.120000 (  0.120734)
Set (unsorted)                      0.000000   0.000000   0.000000 (  0.000302)
Array (sorted once)                 0.130000   0.000000   0.130000 (  0.121996)
Array (sorted after every insert)   0.350000   0.000000   0.350000 (  0.355280)
SortedSet                           0.120000   0.030000   0.150000 (  0.151816)
Array (insert in place)             0.090000   0.000000   0.090000 (  0.093471)
------------------------------------------------------------ total: 0.840000sec

judofyr

#!/usr/bin/env ruby
require 'benchmark'

def bitmask
  2 ** 32 - 1
end

def bitmask_with_assignment
  overshoot = 2 ** 32
  overshoot - 1

judofyr

class Symbol
  def | other
    -> arg { other.to_proc[arg.send(self)] }
  end

  def call(*args)
    -> arg { arg.send(self, *args) }
  end
end

judofyr

a=b=c=(1..100).each do |num|
  print num, ?\r,
    ("Fizz" unless (a = !a) .. (a = !a)),
    ("Buzz" unless (b = !b) ... !((c = !c) .. (c = !c))),
    ?\n
end

judofyr

# /app/components/link_as_button.rb
class LinkAsButton
  attr_reader :href
  attr_reader :disabled

  def initialize(
    href:,
    disabled: false,
    &blk,
  )