https://errorvault.dev/tags/stdptr/ Recent content in Std::ptr on ErrorVault — Developer Error Code Dictionary Hugo en-us Fri, 17 Jul 2026 19:56:04 +0800 https://errorvault.dev/rust/rust-e0310-lifetime-destination-pointer/ Fri, 17 Jul 2026 19:56:04 +0800 https://errorvault.dev/rust/rust-e0310-lifetime-destination-pointer/ <h1 id="fix-e0310-the-lifetime-of-the-destination-pointer-must-be-specified">Fix E0310: The Lifetime of the Destination Pointer Must Be Specified</h1> <p>Rust&rsquo;s ownership and borrowing system is one of its defining features, providing memory safety guarantees at compile time without requiring garbage collection. However, when working with raw pointers in unsafe code, the compiler sometimes cannot infer the necessary lifetime relationships on its own. Error E0310 surfaces in exactly this scenario—when you invoke pointer-manipulation functions like <code>std::ptr::read</code> or <code>std::ptr::write</code> and the compiler cannot determine the validity window of the resulting reference.</p>