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Made PDDL action preconditions and effects optional.

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This commit is contained in:
Patrick Lühne
2016-06-12 23:51:45 +02:00
parent 46351b2fe7
commit 1c8af793c2
4 changed files with 11 additions and 10 deletions
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4
include/plasp/pddl/Action.h
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@@ -27,8 +27,8 @@ class Action
const std::string &name() const;
const expressions::Variables &parameters() const;
const Expression &precondition() const;
const Expression &effect() const;
const Expression *precondition() const;
const Expression *effect() const;
private:
Action() = default;

1
include/plasp/pddl/expressions/Reference.h
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@@ -19,6 +19,7 @@ namespace expressions
//
////////////////////////////////////////////////////////////////////////////////////////////////////
// TODO: refactor without reference wrapper
template<class Type>
class Reference: public ExpressionCRTP<Reference<Type>>
{