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// Copyright: Matra-Datavision 1991
// File: Expr_NamedUnknown.lxx
// Created: Mon Dec 2 14:30:57 1991
// Author: Arnaud BOUZY
// <adn>
inline Standard_Boolean Expr_NamedUnknown::IsAssigned() const
{
return !(myExpression.IsNull());
}
inline void Expr_NamedUnknown::Deassign ()
{
myExpression.Nullify();
}
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