Methods ending in “=” that accept a single argument will treat multiple arguments as an array.

ruby-setters-goodness.rb

# Methods ending in “=” that accept a single argument will treat multiple arguments as an array.

class Foo
  def types=(array)
    p array
  end
end

foo = Foo.new
foo.types = [:bar, :baz, :quux] # => [:bar, :baz, :quux]
foo.types = :bar, :baz, :quux   # => [:bar, :baz, :quux]

# Previous two lines are equivalent, w00t!