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<entry index='f'>
<name>Function</name>
<reference>self</reference>
<reference>module function</reference>
<reference>receiver</reference>
<reference>instance variable</reference>
<reference>method</reference>
<reference>ruby</reference>
<content>
Strictly speaking, ((Ruby)) has no functions.
But the appearance of a method call with ((receiver|Receiver)) left out
is like a function, and furthermore, there is a ((method|Method)) which
we can describe it as a virtual function, ((|((self))|)),
((instance variable|Instance Variable)),
where no ((receiver|Receiver)) informations are referred.
Such methods are sometimes, in a torelant situation, called functions.
Mostly such function(al method)s' visibility is set to private, so that
they could not be called in the form which ((receiver|Receiver)) is
not omitted.
The representative of that methods is ((module function|Module Function)).
</content>
</entry>
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