diff options
Diffstat (limited to 'src/qml/jsruntime/qv4value_p.h')
-rw-r--r-- | src/qml/jsruntime/qv4value_p.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4value_p.h b/src/qml/jsruntime/qv4value_p.h index b1cae8796f..da08841026 100644 --- a/src/qml/jsruntime/qv4value_p.h +++ b/src/qml/jsruntime/qv4value_p.h @@ -877,6 +877,22 @@ struct ValueArray { // have wrong offsets between host and target. Q_STATIC_ASSERT(offsetof(ValueArray<0>, values) == 8); +class OptionalReturnedValue { + ReturnedValue value; +public: + + OptionalReturnedValue() : value(Value::emptyValue().asReturnedValue()) {} + explicit OptionalReturnedValue(ReturnedValue v) + : value(v) + { + Q_ASSERT(!Value::fromReturnedValue(v).isEmpty()); + } + + ReturnedValue operator->() const { return value; } + ReturnedValue operator*() const { return value; } + explicit operator bool() const { return !Value::fromReturnedValue(value).isEmpty(); } +}; + } QT_END_NAMESPACE |