Rust: error[E0382]: borrow of moved value: `x`
A value was moved (ownership transferred) and then used again.
borrow of moved valueuse of moved valuevalue moved here Meaning
Types like String and Vec move when passed by value or assigned. After a move, the original variable can’t be used. Borrow (&x), clone when you really need two owners, or restructure ownership.
Common causes
- Passing a String/Vec by value to a function and using it after
- Moving into a closure (move ||) or thread
- Using a value after a for loop consumed it (for x in vec)
⚡ Quick fix
- Pass a reference (&value) instead
- .clone() if you need an independent copy
- Iterate by reference (for x in &vec)
Detailed fix by platform
Rust
- rust
fn print_len(s: &String) { println!("{}", s.len()); } let name = String::from("Ada"); print_len(&name); println!("{name}"); // still usable
How to diagnose
- Move — Line with "value moved here"
- Type — Implements Copy?
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Where this error sits
Origin: Application & API. Errors that are often confused with or caused by this one (click to open):
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Last updated 14 Oct 2026