https://errorvault.dev/tags/for-loop/ Recent content in For Loop on ErrorVault — Developer Error Code Dictionary Hugo en-us Wed, 22 Jul 2026 19:56:04 +0800 https://errorvault.dev/rust/rust-e0571-break-with-value-in-loop-condition/ Wed, 22 Jul 2026 19:56:04 +0800 https://errorvault.dev/rust/rust-e0571-break-with-value-in-loop-condition/ <h1 id="fix-e0571-cannot-break-with-value-from-a-for-or-while-loop-condition">Fix E0571: Cannot break with value from a for or while loop condition</h1> <h2 id="1-symptoms">1. Symptoms</h2> <p>When attempting to use a <code>break</code> statement with a return value inside the condition expression of a <code>for</code> or <code>while</code> loop, the Rust compiler produces error E0571. This error manifests during compilation when the programmer attempts to write code that returns a value from a loop condition through <code>break</code>.</p> <p>The compiler emits error E0571 with a message similar to the following:</p>