aharpole

Here’s some required reading for all developers using JSON:

JSON’s official spec (in just seven pages!): http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf

If you are planning to make a Hypermedia API: http://json-ld.org/

A few tidbits about how Fullscreen has used JSON:

aharpole

if [ -f ".rvmrc" ]; then
  source ".rvmrc"
fi

aharpole

function counter(){
  for (i=0; i<100; i++) { 
    var countThree=i/3; 
    var countSeven=i/7; 
    if (countThree.indexOf(“.”)==null){ 
      document.write(i + “fizz”);
     } else { 
       if (countSeven.indexOf(“.”)==null){ 
         document.write(i + “buzz”); 
       } else { 

aharpole

defmodule IncrementableValue do
  use GenServer

  def start_link() do
    GenServer.start_link(__MODULE__, [])
  end

  def init(_) do
    {:ok, 1}
  end

aharpole

defstruct [:value, :increment_by]

aharpole

@type t :: %__MODULE__{
  value: integer,
  increment_by: integer
}

aharpole

def start_link(opts) do
  {state_opts, opts} = Keyword.split(opts, [:increment_by])
  state_opts = Keyword.merge([increment_by: 1], state_opts) #default to incrementing by 1 still
  GenServer.start_link(__MODULE__, state_opts, opts)
end

aharpole

def init(%{increment_by: increment_by}) do
  {:ok, %__MODULE__{value: 1, increment_by: increment_by}}
end

aharpole

def handle_call(:get_data, _, %{value: value} = state) do
  {:reply, value, state}
end

aharpole

def handle_cast(:increment, state) do
  new_state = Map.put(state, :value, &(&1 + state.increment_by))
  {:noreply, state}
end