In this post, I’ll cover four surprising limitations of the borrow checker that I ran into in the course of my work.
Also note that when I say something can’t be done, I mean that it can’t be done in a way that leverages Rust’s type system, i.e. with static type checking. <...>. It’s never the case that you literally can’t solve a problem at all, since there are always those escape hatches (and I’ll even show examples of an escape hatch I used below), but it is impossible to solve the problem in a way that makes Rust Rust.
In this post, I’ll cover four surprising limitations of the borrow checker that I ran into in the course of my work.
Also note that when I say something can’t be done, I mean that it can’t be done in a way that leverages Rust’s type system, i.e. with static type checking. <...>. It’s never the case that you literally can’t solve a problem at all, since there are always those escape hatches (and I’ll even show examples of an escape hatch I used below), but it is impossible to solve the problem in a way that makes Rust Rust.
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Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. Given the pro-privacy stance of the platform, it’s taken as a given that it’ll be used for a number of reasons, not all of them good. And Telegram has been attached to a fair few scandals related to terrorism, sexual exploitation and crime. Back in 2015, Vox described Telegram as “ISIS’ app of choice,” saying that the platform’s real use is the ability to use channels to distribute material to large groups at once. Telegram has acted to remove public channels affiliated with terrorism, but Pavel Durov reiterated that he had no business snooping on private conversations. These entities are reportedly operating nine Telegram channels with more than five million subscribers to whom they were making recommendations on selected listed scrips. Such recommendations induced the investors to deal in the said scrips, thereby creating artificial volume and price rise. On December 23rd, 2020, Pavel Durov posted to his channel that the company would need to start generating revenue. In early 2021, he added that any advertising on the platform would not use user data for targeting, and that it would be focused on “large one-to-many channels.” He pledged that ads would be “non-intrusive” and that most users would simply not notice any change. In December 2021, Sebi officials had conducted a search and seizure operation at the premises of certain persons carrying out similar manipulative activities through Telegram channels.
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