Require explicit cast to bool
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1 changed files with 1 additions and 1 deletions
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@ -33,7 +33,7 @@ public:
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: value(std::move(value)), available(available) {}
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T& operator*() { return value; }
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T* operator->() { return &value; }
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operator bool() const { return available != nullptr; }
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explicit operator bool() const { return available != nullptr; }
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~SpanHolder()
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{
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if (available)
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