In this post, we will see how to resolve Rust: Is it safe to cast a mutable borrow to a pointer and back (to placate the borrow checker), if I know that there will only be one instance of it? ...
In this post, we will see how to resolve Alternative to static mut and unsafe while managing global application state Question: Background I have been learning rust recently and my most recent project involves setting a global APP_STATE that can ...
In this post, we will see how to resolve Unsafely define struct to share mutable references between threads Question: I need to unsafely define a Rust struct that I can share between 2 threads and mutate the content of the ...
Question: A bit of context to prevent xy: I want to build a cache for my system. There are Type pairs consisting of IdType and EndpointType in a 1:1 relationship. Every IdType only ever refers to one EndpointType and vice ...
Question: I am dealing with a very large amount of data I need to load / save to disk where speed is the key. I wrote this code: and it requires the data structures to be unmanaged. For example, I ...
Question: When calling cell.set(&local), suppose cell is 'x and '&local is 'y, I am told that the covariance rule will change the type of cell from &MyCell<'x, &i32> to &MyCell<'y, &i32>. How does the assignment inside the unsafe block affect ...
Question: The following code is meant to print There is page two. if it finds a certain div on this website: Dependencies from Cargo.toml Is there a safer way, i.e. without the unsafe blocks of code, of doing what that ...