Dynamic constant assignment

Question

class MyClass
  def mymethod
    MYCONSTANT = \"blah\"
  end
end

gives me the error:

SyntaxError: dynamic constant assignmen

Answer 1

In Ruby, any variable whose name starts with a capital letter is a constant and you can only assign to it once. Choose one of these alternatives:

class MyClass
  MYCONSTANT = "blah"

  def mymethod
    MYCONSTANT
  end
end

class MyClass
  def mymethod
    my_constant = "blah"
  end
end