Explain my Rust error

Paste the compiler output. RustMentor explains whyit won't compile, teaches the ownership concept behind it, and shows the idiomatic fix as a diff — so you learn the borrow checker instead of just silencing it.

Your error

Compiler error (required)

Relevant code (optional, improves accuracy)

Explanation

Paste an error and we'll explain the why, the mental model, and the idiomatic fix.

Try the sample if you want to see it in action.