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Detached Array Buffer semantics, follow-ups. #2915
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@rkirsling I have a few questions, each of which assumes the following: function detach(ab) {
if (ArrayBuffer.transfer) {
ArrayBuffer.transfer(ab);
} else if (ArrayBuffer.detach) {
ArrayBuffer.detach(ab);
} else if (typeof detachArrayBuffer === "function") {
detachArrayBuffer(ab);
} else if (typeof transferArrayBuffer === "function") {
transferArrayBuffer(ab)
} else if (typeof Worker === "function") {
try {
eval("%ArrayBufferDetach(ab)")
} catch (e) {
try {
var w = new Worker("", {type: "string"});
w.postMessage(ab, [ab]);
w.terminate();
} catch (e) {
var w = new Worker("", {type: "classic"});
w.postMessage(ab, [ab]);
w.terminate();
}
}
} else {
throw new TypeError("cannot detach array buffer");
}
}
let u8 = new Uint8Array([0xFF, 0xFF, 0xFF, 0xFF]);
detach(u8.buffer);
let a = [0xFF, 0xFF, 0xFF, 0xFF];
a.length = 0;
Similarly, |
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I think I answered my own question—those expectations are when detachment occurs after |
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From @rkirsling
I'll make these updates during my 12/9 work day.