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New posts in rust
What does `single_use_lifetimes` mean on a struct with derive in a function and how to solve it?
Nov 16, 2025
rust
How to implement a trait on a Vec that can append a string?
Nov 17, 2025
rust
vector
traits
Using serde_json to serialise maps with non-String keys
Nov 17, 2025
json
rust
serde
Is there a performance difference between a squared function and directly calling powi(2) in Rust?
Nov 17, 2025
rust
Rust lifetime in Vec<&T> : convoluted syntax
Nov 17, 2025
rust
lifetime
What happens if the expression in a match arm returns false?
Nov 17, 2025
rust
Is there a shared pointer with a single strong owner and multiple weak references?
Nov 17, 2025
rust
smart-pointers
Passing the contents of a RefCell<&mut T> to a function
Nov 17, 2025
rust
Rust function pointer seems to be treated as stateful by borrow checker
Nov 16, 2025
rust
closures
lifetime
borrow-checker
mutable-reference
Expected `async` block, found a different `async` block
Nov 17, 2025
asynchronous
rust
rust-tokio
How does a repr(C) type handle Option?
Nov 17, 2025
rust
How to return a reference to an Rc<RefCell<HashMap<K, V>> value?
Nov 16, 2025
rust
borrow-checker
refcell
How can I tell cargo to run code test in documentation in my README.md?
Nov 17, 2025
rust
rust-cargo
doctest
How do I create a new number type in Rust?
Nov 17, 2025
math
rust
Is it legal to cast a repr(C) struct pointer to pointer to its first field?
Nov 15, 2025
rust
language-lawyer
undefined-behavior
Actix Web server fails to restart on the same port when on WSL
Nov 16, 2025
rust
windows-subsystem-for-linux
rust-cargo
actix-web
Resolving imports in Rust
Nov 16, 2025
rust
rust-cargo
rust-crates
Mutable iterator for Vec<Vec<(K, V)>>
Nov 17, 2025
iterator
rust
Working with matrices (integrate Rust and R) {extendr} package
Nov 17, 2025
r
rust
extendr
Rust Create Test Setup
Nov 10, 2025
unit-testing
rust
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