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New posts in borrow-checker
When do user-defined rust types implement drop?
Oct 25, 2025
rust
memory-management
borrow-checker
How Option<&T> implement Copy
Oct 26, 2025
rust
borrow-checker
ownership
"borrowed data escapes outside of closure" only when using &mut or threads?
Oct 27, 2025
rust
closures
borrow-checker
Is it possible to have mutable binding and destructuring simultaneously?
Oct 26, 2025
rust
pattern-matching
destructuring
mutable
borrow-checker
Move of a struct variable is a "move" but new space in memory is allocated and addresses of underlying values are different
Oct 24, 2025
rust
borrow-checker
Why do Rust lifetimes break mutable references in loops?
Oct 21, 2025
rust
refactoring
mutable
borrow-checker
What's the best borrowing accessor pattern for Optional<String>?
Oct 21, 2025
string
rust
option-type
borrow-checker
accessor
Why does this "cannot move out of `self.x` which is behind a mutable reference" error happen?
Oct 21, 2025
rust
move
borrow-checker
ownership
ownership-semantics
"Borrowed value does not live long enough", dropped when used in a loop
Oct 21, 2025
string
loops
rust
lifetime
borrow-checker
RefMut borrowed from Option does not live long enough (Option<Rc<RefCell<Node>>>)
Oct 19, 2025
rust
directed-acyclic-graphs
borrow-checker
refcell
Why is this borrow considered to be "used later" even though it clearly isn't?
Oct 19, 2025
rust
lifetime
borrow-checker
as_mut().unwrap(): Cannot infer lifetime due to conflicting requirements
Oct 18, 2025
rust
lifetime
borrow-checker
How to modify a Cow variable that uses itself in a loop?
Oct 17, 2025
loops
rust
borrow-checker
borrowing
Understanding how Rust elides lifetimes with mutable references
Oct 17, 2025
rust
vector
lifetime
borrow-checker
How to increment every number in a vector without the error "cannot borrow as mutable more than once at a time"?
Oct 16, 2025
vector
rust
borrow-checker
Trying to implement a thread-safe cache
Oct 14, 2025
rust
hashmap
thread-safety
borrow-checker
struct with reference to element of a vector in another field
Sep 22, 2025
rust
borrow-checker
Why can a non-capturing closure be used after transferring ownership?
Sep 18, 2025
rust
closures
borrow-checker
ownership
Cannot borrow as mutable more than once at a time
Sep 18, 2025
rust
borrow-checker
to_string() causes error "borrowed value does not live long enough"
Sep 15, 2025
rust
lifetime
borrow-checker
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