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Make "visit" method pure virtual (needs to be implemented by subclass

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to make sense).
This commit is contained in:
Daniel Aarno 2012-05-13 22:34:25 +02:00
parent 2fee9bc48e
commit 1a0b049d0e
1 changed files with 3 additions and 2 deletions
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5
include/tclap/Visitor.h
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@ -43,9 +43,10 @@ class Visitor
virtual ~Visitor() { } virtual ~Visitor() { }
/** /**
* Does nothing. Should be overridden by child. * This method (to implemented by children) will be
* called when the visitor is visited.
*/ */
virtual void visit() { } virtual void visit() = 0;
}; };
} }