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Implement size_hint
for more iterators.
``` implement size hint for more iterators because why not we like fast things ```
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@ -487,6 +487,10 @@ impl<I> Iterator for FragmentParsingResult<I>
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next.remove_self();
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Some(next)
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}
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fn size_hint(&self) -> (usize, Option<usize>) {
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self.inner.size_hint()
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}
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}
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#[derive(HeapSizeOf, JSTraceable, PartialEq)]
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