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1 year agoI suppose it’s because the article you’re citing is from april 22nd, and that hashbrown has replaced old std hashmap in this commit, which hash been created on 24th.
I suppose (can’t test myself) that if you do the test now (hashbrown against std), the performance difference would be negligeable beacuse you would be testing roughly the same algorithms.
mirror don’t flip up and down nor right or left, it flips front and back. because that is how sumetry works (where the mirror is the symetry plane).
if you point right, your reflection will also point your right. same for left, up and down. but if you point forward, it will point back toward you (behind you, that is)
It’s your brain that is tricked by your reflection and takes it for a real person, so when you move your left arm, your brain understands it as if your reflection moved its right arm.