William's .pryrc

.pryrc.rb

## _why inspired citizen428 delivered MethodFinder.

require_relative 'methodfinder_what'

## Pry Config

Pry.config.pager = false
Pry.config.editor = "mate -w"
Pry.config.prompt = [proc{"? "}, proc{"| "}]

# Making a custom output prompt is more trouble than one would expect.
Pry.output = SimpleDelegator.new(Pry.output)
class <<Pry.output
  def puts(*args)
    args[0] = args[0].sub(/^=> /, "") if args[0].kind_of? String
    __getobj__.puts(*args)
  end
end

Pry.config.commands.import(Pry::CommandSet.new do

  ## For quick loading.
  
  $wl__reload_file = nil

  command "reload", "Reload specified source file or previously reloaded file by default." do |file|    
    unless file
      if $wl__reload_file
        load($wl__reload_file)
        next
      end
      
      files = Dir["*.rb"]
      case files.size
      when 0
        output.puts "No Ruby files in #{Dir.pwd}"
        next
      when 1
        file = files.first
      else
        output.puts "Many Ruby files in #{Dir.pwd}:"
        output.puts files.map{|f| "\t#{f}"}
        next
      end
    end
    
    file = file.sub(/(\.rb)?$/, '.rb')
    $wl__reload_file = file
    load(file)
  end

  alias_command "r", "reload"
end)

## Useful Collections

def a
  (1..6).to_a
end

def h
  {hello: "world", free: "of charge"}
end

## Benchmarking
# Inspired by <http://stackoverflow.com/questions/123494/whats-your-favourite-irb-trick/123834#123834>.

def time(repetitions = 100, &block)
  require 'benchmark'
  Benchmark.bm{|b| b.report{repetitions.times(&block)}}
end

## Odds and Ends

def beep
  putc ?\a
  nil
end

# For choosing the first Anki flash card deck.
def d
  rand(4) + 1
end