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by bpicolo
3021 days ago
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While I don't doubt that strings.Builder does is quicker than += concat for many iterations, to make it a fair comparison you probably need to pull out the string at the end rather than just writing to the buffer. It's also not obvious for example what the difference is with just 2 strings to join if I need to join two strings together 40 trillion times or whatnot. Nice collection of microbenchmarks though. Interesting to see magnitude differences from e.g. regexp compile |
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