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New posts in borrow-checker
Prevent cannot borrow `*self` as immutable because it is also borrowed as mutable when accessing disjoint fields in struct?
Mar 20, 2026
rust
borrow-checker
Is there a difference between using a reference, and using an owned value in Rust?
Mar 18, 2026
rust
reference
borrow-checker
ownership
borrowing
Why may a closure outlive the current function by borrowing a u32?
Mar 13, 2026
rust
closures
borrow-checker
Move occurs because `*arg` has type `String`, which does not implement the `Copy` trait [duplicate]
Mar 11, 2026
rust
iterator
borrow-checker
How to pop a value from cons list?
Mar 08, 2026
data-structures
rust
borrow-checker
cons
Why does a | (pipe) in a rust pattern match cause a "value used after move"?
Mar 06, 2026
rust
pattern-matching
borrow-checker
rustrover
Struct methods: Cannot borrow as mutable because it is also borrowed as immutable
Feb 23, 2026
rust
borrow-checker
How to make a lifetime constraint "pass through" from object to its grandchild?
Feb 22, 2026
rust
constraints
lifetime
borrow-checker
Why does `set` method defined on `Cell<T>` explicitly drops the old value? (Rust)
Feb 15, 2026
memory
rust
cell
borrow-checker
ownership
Why do recent versions of Rust allow a `match` expression to return a reference to a temporary?
Feb 12, 2026
rust
borrow-checker
"BorrowMutError" using the Interior Mutability Pattern
Feb 03, 2026
rust
borrow-checker
borrowing
Borrow checker complains for closure inside loop if type not provided explicitly
Feb 01, 2026
rust
borrow-checker
How to define Rust HashMap where the keys are refences to the values?
Jan 25, 2026
rust
hashmap
borrow-checker
Mutable borrow too long when mutating in a loop
Dec 23, 2025
rust
reference
lifetime
mutable
borrow-checker
Why is the move keyword needed when returning a closure which captures a Copy type?
Dec 13, 2025
rust
closures
lifetime
borrow-checker
Trying to return reference from RwLock, "borrowed value does not live long enough" Error
Dec 12, 2025
hashmap
rust
borrow-checker
rwlock
Why does the borrow checker seem to keep a reference borrowed in a match statement even after the end of the block? [duplicate]
Dec 06, 2025
rust
borrow-checker
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