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Add support for Maybe<bool> #4

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Add support for Maybe<bool> #4

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8 changes: 6 additions & 2 deletions Maybe.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,10 @@

#include "Either.h"

// helper type used for a no-value Maybe
struct Nothing {};
Q_DECLARE_METATYPE(Nothing)

/** A simple option type implementation which represents the result
* of an operation which returned either a valid result or nothing.
*
Expand All @@ -23,7 +27,7 @@ class Maybe
* value.
*/
Maybe()
: m_value(false)
: m_value(Nothing())
{}

/** Returns true if this Maybe<T> has a value. */
Expand All @@ -50,7 +54,7 @@ class Maybe
: m_value(value)
{}

Either<bool,T> m_value;
Either<Nothing,T> m_value;
};

template <class T>
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