Why Pure Rust WASM Is Harder Than It Looks
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Most Rust developers expect the pitch to hold: compile to WebAssembly, ship to the browser, no C required. Add the wasm32-unknown-unknown target, run wasm-pack build, and you're done. Then you try it on a real project. Four traps, none of them in the getting-started docs: a deprecated allocator with a memory leak, hidden C dependencies scattered through the ecosystem, a random number crate that silently misbehaves, and bundle sizes that balloon from Emscripten glue. The Problem wit