Optional¶
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template<typename T>
class ampl::Optional¶ This class encapsulates values which can be tested for null-ness.
Public Functions
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inline Optional()¶
Constructor of an empty instance.
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inline explicit operator bool() const¶
The cast to bool returns true if the instance has a value, false otherwise.
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inline const T &operator*() const¶
Accesses the contained value, returns a reference to the contained value.
The behaviour is undefined if the object does not contain a value.
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inline Optional()¶