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  • Cheng Shao's avatar
    aec0deb1
    wasm: make JSVal internal Weak# point to lifted JSVal · aec0deb1
    Cheng Shao authored 
    JSVal has an internal Weak# with the unlifted JSVal# object as key to
arrange its builtin finalization logic. The Weak# used to designate
Unit_closure as a dummy value; now this commit designates the lifted
JSVal closure as the Weak# value. This allows the implementation of
mkWeakJSVal which can be used to observe the liveliness of a JSVal and
attach a user-specified finalizer.

(cherry picked from commit 4f342431)
    aec0deb1
    History
    wasm: make JSVal internal Weak# point to lifted JSVal
    Cheng Shao authored 
    JSVal has an internal Weak# with the unlifted JSVal# object as key to
arrange its builtin finalization logic. The Weak# used to designate
Unit_closure as a dummy value; now this commit designates the lifted
JSVal closure as the Weak# value. This allows the implementation of
mkWeakJSVal which can be used to observe the liveliness of a JSVal and
attach a user-specified finalizer.

(cherry picked from commit 4f342431)
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