Avoid String allocations in Version
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By not calling `String#substring()` we can avoid unnecessary `String` allocations. As `Integer#parseInt(CharSequence, int, int, int)` is only available in Java 9, I inlined a simplified version of it.
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Let's see if the complexity here is worthwhile after we see the effect of Shannon's earlier optimizations around |
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By not calling
String#substring()we can avoid unnecessaryStringallocations. AsInteger#parseInt(CharSequence, int, int, int)is only available in Java 9, I inlined a simplified version of it.