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by BarkMore 2545 days ago
The compiler optimizes conversion from []byte to string on map lookup. https://github.com/golang/go/commit/f5f5a8b6209f84961687d993...
2 comments

That’s awesome! I’ll have to benchmark that and see if I can delete some code now. Thanks.
It doesn't seem to do it in the general non-map, non-mutation case, though this optimization is welcome.

I've personally resorted to using `unsafe` trickery in tight loops to overcome this limitation.