https://errorvault.dev/tags/static-dispatch/ Recent content in Static-Dispatch on ErrorVault — Developer Error Code Dictionary Hugo en-us Mon, 08 Jun 2026 10:20:04 +0800 https://errorvault.dev/rust/rust-e0376-unsafe-trait-trait-object/ Mon, 08 Jun 2026 10:20:04 +0800 https://errorvault.dev/rust/rust-e0376-unsafe-trait-trait-object/ <h1 id="fix-e0376-cannot-use-unsafe-trait-as-trait-object">Fix E0376: Cannot Use Unsafe Trait as Trait Object</h1> <p>The Rust compiler error E0376 occurs when attempting to create a trait object (<code>dyn Trait</code>) from the <code>Unsafe</code> trait. The <code>Unsafe</code> trait is fundamentally incompatible with dynamic dispatch because it represents a marker trait with special semantic meaning that cannot be safely abstracted at runtime.</p> <h2 id="1-symptoms">1. Symptoms</h2> <p>When you attempt to use the <code>Unsafe</code> trait with dynamic dispatch syntax, the compiler produces a clear error message:</p>