I'd like to start adding a 'quote of the week' to TWiR. So far though I've been terrible about taking note of good quotes from the Rust world. And also there is much more going on than I can follow personally. So this thread is to beg for people who see insightful or funny things said about or in relation to Rust to post them here. Please provide links - if it wasn't recorded it didn't happen! Leads on good quotes will be rewarded with appropriate kudos.

I'd like to also nominate the full quote from the same source: Panic is the car automatically pulling over to the side of the road, shutting down the engine, and refusing to restart when the blood-alchohol monitor detects that the driver is intoxicated and undefined behavior is letting things continue until the driver "crashes" into a bunch of school children in a cross-walk.

To be fair to @KillTheMule, that was added in an edit. (It wasn't there 8 hours ago when I went to bed.)

None of [Rust's] "safe" behaviors can lead to truly undefined behavior. ... If an attacker can only crash or deadlock your program, that's still bad, but it usually can't escalate into Front Page of the New York Times levels of bad. Another one from the same thread, qualifying Rust's safety

@withoutboats on internals [It is] not only the systems programming problems that Rust tackles and makes accessible, but also the particular intersection of different expertises and goals - the systems problems, the type theoretical approach, the commitment to an accessible user experience - that [makes] Rust a fulcrum of learning for me. Even as my knowledge grows, there [is] always a more informed person - often a world class expert - available to answer my questions. (continued) I’ve been very fortunate over these past 4 years to have had the opportunity to become more and more involved in Rust, to the point that now it is my full time employment. It makes me so glad to hear that my work has had for others the impact that the work of others before had on me.

From this blog post: In Rust there are entire classes of bugs that are simply impossible to create because of the compile time guarantees. Because it’s software, there will be bugs. Oh yes, there will be bugs. However, we can create all new bugs and not trip over these other ones that we’ve been creating for the last four-plus decades. (continued) This is the payoff, and despite the strictness of the compiler, Rust’s bet is that if you learn the way you can be as productive (or more) than with another language. In Programming Rust, Jim Blandy and Jason Orendorff refer to this as “Rust’s radical wager.”

[image]Vec to Vec &T means it’s borrowed, and T means it’s owned, and you can’t take ownership of a thing you’ve borrowed — Rust doesn’t support stealing! :wink: I personally think this is kinda killer feature.

[image]Bound checking really present? vector[10] desugars to a function call ::index(&vector, 10) , which in this case panics, but it could as well play a song and return -1 on out of bounds access. However, the safety — at run time — is still guaranteed. Undefined behaviour never was so nice! (Yes, I know that it's well defined by implementation, but doesn't this sound like it?)

Everything about Rust is ironic. @jessitron on Twitter

[image]Help getting started with converting c project It’s like building stuff with LEGO. Sure, it could be a single type, but then you’d need a type for every possible combination of types, which would arguably be a whole lot worse. Who doesn't like building abstractions like LEGO :smile:

This needs some more context. "It" here refers to "nested generic types". So: [Using a nested generic types is] like building stuff with LEGO....

TWiR quote of the week

community

Cerber-Ursi October 29, 2018, 1:42am 576

I personally think this is kinda killer feature.

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TWiR quote of the week

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