[Webkit-unassigned] [Bug 233384] New: Ref<T> should support indirection operator *

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Nov 19 14:36:11 PST 2021


            Bug ID: 233384
           Summary: Ref<T> should support indirection operator *
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Template Framework
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jean-yves.avenard at apple.com

While Ref<T> was supposed to be a replacement for T& with lifetime guarantees, C++ limitations made it act more like a pointer than a reference.
Ref<T> is more like a RefPtr<T> that guarantees it's never null.

A Ref can be converted into a RefPtr directly.
You already have to dereference the content of a Ref<T> using operator->().

So it makes sense that it also implements the indirection operator *.

I propose that Ref<T> be made to at the very least support the indirection operator and maybe even be officially be made into just a RefPtr that guarantees to never be null (so get() would return T* rather than T&

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