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by chrismorgan
1583 days ago
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The Rust solution for your arch variation specifically is hardly onerous, and does just the same, ignoring the code in not-matching branches: #[cfg(target_arch = "x86_64")]
…
#[cfg(target_arch = "aarch64")]
…
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
compile_error!("unknown arch!");
(If you got to much more complex cfg branches, cfg-if could be worthwhile, which lets you write `cfg_if! { if #[cfg(…)] { … } else if #[cfg(…)] { … } else { … } }`. But for only a few simple ones, I prefer to keep it out.) |
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