chore(ecmascript): used try and Assert Determination #565
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It was the same with TypedArray, but using
assert_eq!(from_index.is_undefined(), n.into_i64() == 0);
causes some test262 cases to fail.Even if I use
assert_eq
only when fromIndex is undefined, I believe it’s essentially doing the same thing.I also tried using
try_to_integer_or_infinity
. However, based on my measurements using the time command on Unix, it didn’t seem to make things any faster.So, it might be pointless… but I gave it a shot anyway.