I don't know if it's due to my familiarity with Rust, but I find none of the examples cursed or surprising, except the "&* is useful" one. Even for that one, I think the use case of "turning a raw pointer to a reference" actually requires unsafe, and so it's imo a bit misleading to omit that fact.
I guess the "cursed" part is that developers can make unexpected behavior happen, but what's the point? No one's gonna purposefully make a bad clone/copy.
In Rust, if expressions are not place expressions. In the example, arr_ref is a reference to a temporary, not to an array element. In Rust, it is possible to take an address of any expression, but taking an address of a value expression will produce an address of a temporary.
I don't know if it's due to my familiarity with Rust, but I find none of the examples cursed or surprising, except the "&* is useful" one. Even for that one, I think the use case of "turning a raw pointer to a reference" actually requires unsafe, and so it's imo a bit misleading to omit that fact.
All this is unlike a language i work with in my day job (and hence one would expect that I'd not find surprising), and yet I find so much behavior utterly baffling: https://dev.to/ben/what-is-the-oddest-javascript-behavior-4d...
I guess the "cursed" part is that developers can make unexpected behavior happen, but what's the point? No one's gonna purposefully make a bad clone/copy.
¯\_(ツ)_/¯
In Rust, if expressions are not place expressions. In the example, arr_ref is a reference to a temporary, not to an array element. In Rust, it is possible to take an address of any expression, but taking an address of a value expression will produce an address of a temporary.
Interesting. Is there any documentation which explains this?
Not sure if there's a better section elsewhere, but at least this one touches on it: https://doc.rust-lang.org/reference/destructors.html#tempora...
#00F on black is really not a color combination anybody should use in any case where accessability matters.
Cursed article by someone who doesn't know Rust.