Why does a method call need to be disambiguated when it can in principle be a constant?

Question

Method calls can usually omit the receiver and the parentheses for the arguments:

def foo; \"foo\" end
foo # => \"foo\"

In the case abov

Answer 1

There's no big reason behind the difference. I just wanted foo to be behave like foo(), if there's no local variable foo in the scope. I thought it was useful for creating DSL etc. But I saw no reason to make Foo to behave like Foo().