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cheptsov / AdvancedExpressionFolding

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addAll() is folded wrongly when index is used #119

Open sabi0 opened 6 years ago

sabi0 commented 6 years ago

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In this particular case (when index = 0) the best folding is probably this: vCharSequence = sequence + vCharSequence;

In case the index is different from 0 I don't think it can be folded without loosing semantics. Unless you are willing to bother with slices like: vCharSequence = vCharSequence[:3] + sequence + vCharSequence[3:]