Shatter modifies method missing in its scope to allow for more convenient access to hash parameters as local variables (actually methods)

#old and verbose

#expecting :email, :password , and :id
def my_method(params={})
  raise "No Email" unless params[:email]
  raise "No Password" unles params[:password]
  Record.find(params[:id])
end

#new and awesome

require 'shatter'
include 'Shatter'
#expecting :email, :password , and :id
def my_method(params={})
  shatter(params) do 
    raise "No Email" unless email
    raise "No Password" unless password
    Record.find(id)
  end
end