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For me, the biggest problem with this essay lies in this one sentence: "Memory safety could qualify as a targeted problem, though histori...

For me, the biggest problem with this essay lies in this one sentence: "Memory safety could qualify as a targeted problem, though historically that’s been a tough sell on its own." My question is: Who offered memory safety on its own , historically? I think the reason that memory safety has been a tough sell historically is that it always came with performance overhead and lack of low-level control, and people kept using C and C++ for low-level programming as a result. By contrast, Rust tries to go farther than any other industry language in truly providing memory safety on its own —without any of the baggage of JITs, or garbage collection/pervasive reference counting. If you had to sum up the raison d'être for Rust in one sentence, that'd be it. I think that historically, memory safety "on its own" hasn't been tried, at least to the degree that Rust strives for.

Posted by pcwalton on Jan 11, 2015, 12:30 AM

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For me, the biggest problem with this essay lies in this one sentence: "Memory safety could qualify as a targeted problem, though histori...

pcwaltonJan 11, 2015, 12:30 AM

For me, the biggest problem with this essay lies in this one sentence: "Memory safety could qualify as a targeted problem, though historically that’s been a tough sell on its own." My question is: Who offered memory safety on its own , historically? I think the reason that memory safety has been a tough sell historically is that it always came with performance overhead and lack of low-level control, and people kept using C and C++ for low-level programming as a result. By contrast, Rust tries to go farther than any other industry language in truly providing memory safety on its own —without any of the baggage of JITs, or garbage collection/pervasive reference counting. If you had to sum up the raison d'être for Rust in one sentence, that'd be it. I think that historically, memory safety "on its own" hasn't been tried, at least to the degree that Rust strives for.

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