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Reduced memory alloc for combined binding subjects #16794

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Aug 23, 2024
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Reduced memory alloc for combined binding subjects #16794

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2 changes: 1 addition & 1 deletion src/Avalonia.Base/Data/InstancedBinding.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,7 @@ public static InstancedBinding TwoWay(
_ = observable ?? throw new ArgumentNullException(nameof(observable));
_ = observer ?? throw new ArgumentNullException(nameof(observer));

var subject = new CombinedSubject<object?>(observer, observable);
var subject = observable == observer ? observable : new CombinedSubject<object?>(observer, observable);
return new InstancedBinding(subject, BindingMode.TwoWay, priority);
}

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