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New posts in rust
How to access rust variables outside the scope?
Nov 17, 2025
scope
rust
How to rewind the file pointer in rust
Nov 18, 2025
rust
Using multiple values of an argument in Clap
Nov 17, 2025
rust
clap
Rust failed to downcast_ref from trait object extended from Any
Nov 18, 2025
rust
JavaScript code calls Rust WASM function that panics: No exception thrown
Nov 18, 2025
javascript
rust
webassembly
Rust Async Borrow Lifetimes
Nov 16, 2025
asynchronous
rust
borrow-checker
generic-constraints
Store data that implements a trait in a vector
Nov 17, 2025
pointers
vector
rust
traits
lifetime
How to make a trait (and a struct implementing it) clonable?
Nov 18, 2025
rust
Why does the compiler allow pattern matching an enum in a function argument if it will never work and are there places pattern matching is useful?
Nov 17, 2025
rust
Deserializing an enum using a combination of #[serde(untagged)] and #[serde(with)]
Nov 17, 2025
serialization
rust
serde
How do you actually run cargo flamegraph on tests?
Nov 18, 2025
unit-testing
rust
rust-cargo
flamegraph
How to initialize a large array with a single value?
Nov 18, 2025
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
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