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> How can a GC'ed language be faster than a non-GC'ed language? Besides simple numeric evaluation, D is generally more heap-allocation-heavy than Rust, so it can never beat Rust.

I would be interested in benchmarks showing that. Do you have any?

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Sorry, I don't have specific numbers. I was saying generally for all GC'ed languages.

D has lots of tools to avoid heap allocation. There is no reason why D should use more heap allocations than Rust.

A GC might only encourage you to use more heap allocations.

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