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by disnet
5403 days ago
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I haven't done any benchmarks yet so not sure. In addition to the guards I think the use of Proxies will cause some slowdown. But you're right the JIT should be able to optimize most of those guards away (maybe even someday use the guards to help in their optimizing/tracing...just speculating here, I'm not a compiler/JIT guy). If you compile with "coffee -c" (compile, no contracts) instead of "coffee -cC" (compile, with contracts) you get pure JavaScript, no contracts and no runtime checks. Exactly what vanilla CoffeeScript would have given you. |
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