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Update comment on SockFilter dead_code warning #602

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Merged
merged 1 commit into from
Jul 6, 2025
+2 −4
Merged

Update comment on SockFilter dead_code warning #602

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6 changes: 2 additions & 4 deletions src/sys/unix.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2823,10 +2823,8 @@ impl crate::Socket {
#[cfg(all(feature = "all", any(target_os = "linux", target_os = "android")))]
#[repr(transparent)]
pub struct SockFilter {
// For some reason Rust 1.70 thinks this field is unused, while it's clearly
// used in `SockFilter::new`. This issue seems fixed in later Rust versions,
// but we still need to support 1.70, adding allow(dead_code) ignores the
// issue.
// This field is only read indirectly by transmutes / pointer casts, so
// rustc emits a spurious warning saying that the field is never read.
#[allow(dead_code)]
filter: libc::sock_filter,
}
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