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Why Rust May Not Optimize Non-Aliasing Mutable References Yet

Learn why Rust mutable references imply no aliasing, why LLVM may still avoid some optimizations, and how this relates to UB and codegen.

rustreferencecompiler-optimizationllvm-codegen

Why `println!` Doesn’t Show in Rust Unit Tests

Learn why `println!` output is hidden in Rust unit tests, how test output capture works, and how to display debug prints when needed.

rusttestingprintln

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