Shannon Skipper havenwood

havenwood / color_registry.rb

Created July 3, 2023 17:35

Example of a Curses colors registry Singleton for IRC

havenwood / yarb.rb

Created January 22, 2023 18:00

A quick example for #ruby IRC of yomikomu-like compiling Ruby to YARB IR bytecode, caching it to disk, then loading and evaling it later.

	require 'zlib'

	path = 'example.rb'

	##
	# Compile and cache Ruby binary to disk.
	binary = RubyVM::InstructionSequence.compile_file(path).to_binary
	binary_path = "#{path}.yarb.gz"
	Zlib::GzipWriter.open(binary_path) do
	_1.write(binary)

havenwood / wombat.rb

Created January 19, 2023 23:49

	require 'forwardable'

	class Wombat
	NO_DEFAULT = Object.new

	include Comparable
	include Enumerable
	extend Forwardable

	def_delegators :@list, :[], :[]=, :fetch, :<<, :delete, :size, :<=>

havenwood / stream_closing.rb

Created January 19, 2023 16:47

Curious about line 66 and line 70 differences between Falcon and Puma handling of the stream.

	# frozen_string_literal: true

	require 'trenni/template'

	##
	# Streaming template
	TEMPLATE = Trenni::Template.load(<<~'HTML')
	<!DOCTYPE html>
	<html lang="en">
	<head>

havenwood / bendford.rb

Last active November 2, 2022 06:36

A quick implementation to generate numbers that roughly comply with Bendford's law.

havenwood / client.rb

Created October 23, 2022 14:25

A Rack 3 example of bidirectional streaming with Async HTTP

	# frozen_string_literal: true

	require 'async/http/internet'

	Async do
	internet = Async::HTTP::Internet.new
	response = internet.get('http://localhost:9292')

	stream = response.connection.stream
	stream.write('Hello World!')

havenwood / integer_prime.rb

Created October 13, 2022 22:49

Comparing 42.prime? to Prime.prime?(42) for Ruby IRC

	class Integer
	def prime?
	return self >= 2 if self <= 3


	if (bases = miller_rabin_bases)
	return miller_rabin_test(bases)
	end

havenwood / example.rb

Last active April 6, 2025 19:33

An example of a Rust-like `Option` enum in Ruby, see https://doc.rust-lang.org/rust-by-example/std/option.html

	require_relative 'option'

	include Option

	# An integer division that doesn't `raise ZeroDivisionError`
	def checked_division(dividend, divisor)
	if divisor.zero?
	# Failure is represented as the `None` variant
	None[]
	else

havenwood / inline_runner.rb

Created September 28, 2022 20:32

A little script to run RuboCop on a Ruby String from within Ruby

	require 'rubocop'
	require 'tempfile'

	class InlineRunner
	DEFAULT = RuboCop::Runner.new({}, RuboCop::ConfigStore.new)

	def initialize(runner: DEFAULT, filename: 'runner.rb')
	@runner = runner
	@file = Tempfile.new(filename)
	end

havenwood / example.rb

Created August 31, 2022 00:10

Rust-inspired `struct` and `impl` in Ruby for fun