jtrim

module Thing (isThingy) where
  isThingy x = x == "thingy"

-- later...

import Thing

filter isThingy ["stuff", "thingy", "pancakes"]

jtrim

defmodule Thing do
  def thingy?(incoming_thing) do
    incoming_thing == "thingy"
  end
end

jtrim

defmodule StringCalculator.DelimiterTest do
  use ExUnit.Case
  import StringCalculator.Delimiter

  test "when given a string with no custom delimiter, the default delimiter is returned" do
    assert delimiter_from("1,2,3") == ~r/(?:,|\n)/
  end

  test "when given a string with a custom delimiter, the custom delimiter is extracted and added to the defaults" do
    assert delimiter_from("//;\n1,2,3") == ~r/(?:;|,|\n)/

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def add(input) do
  sum map split(delimiter_from(input), numbers_from(input)), &to_integer/1
end

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defmodule MyApp.PostsController do
  use Phoenix.Controller
  require IEx

  plug :action

  def index(conn, _params) do
    IEx.pry
    conn |> render "index"
  end

jtrim

  def add(input) do
    delimiter_from(input)
    |> split(numbers_from(input))
    |> map(&to_integer/1)
    |> sum
  end

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#!/usr/bin/env bash

git add -A && git commit -m "WIP [ci skip]"

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mspring() {
  be spring && \
    while true
    do
      spring 2>&1 > /dev/null
      SPRING_STATUS=`spring status`
      clear
      echo `date`\\n$SPRING_STATUS
      sleep 2
    done

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<%
  current_branch_name ||= begin
    `/usr/bin/env git branch` =~ /^\*\s+(.*)$/
    current_branch_name = $1.gsub('-', '_')
  end
%>

development:
  adapter: postgresql
  database: myapp_development_<%= current_branch_name %>

jtrim

#!/usr/bin/env ruby
require 'rubygems'
require 'thor'
require 'pry'

class SmartSpec < Thor
  option :all, type: :boolean, aliases: ['-a']
  desc 'fuzzy [PATTERN] *OR* smartspec -- [PATTERN]', 'Find specs matching PATTERN and run one or all of them.'
  long_desc <<-DESC
  This is the default action of smartspec, so:\x5