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Merge rust-bitcoin/rust-secp256k1#689: Allow dead_code on AlignedType 

873ad47343 Allow dead_code on AlignedType (Tobin C. Harding)

Pull request description:

  We use the `AlignedType` and take a pointer to its inner data, never access the data directly - this confuses clippy causing a "field is never used" warning.

  Shoosh the lint and add a code comment explaining why.

ACKs for top commit:
  apoelstra:
    ACK 873ad47343

Tree-SHA512: 2a383aed169edf247def5c291bc2d8177cc09412b82bb47bb514e0929ae89d689102e646dcbbffc6fd4caa1ce1430420a63c7ceb3428ad9b05230a93b7f14d16
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Andrew Poelstra 2024-03-26 22:28:47 +00:00
parent fb676dcb1f 873ad47343
commit 5fa3623acf
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secp256k1-sys/src/types.rs
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@ -19,6 +19,7 @@ pub use core::ffi::c_void;
// 16 matches is as big as the biggest alignment in any arch that rust currently supports https://github.com/rust-lang/rust/blob/2c31b45ae878b821975c4ebd94cc1e49f6073fd0/library/std/src/sys_common/alloc.rs // 16 matches is as big as the biggest alignment in any arch that rust currently supports https://github.com/rust-lang/rust/blob/2c31b45ae878b821975c4ebd94cc1e49f6073fd0/library/std/src/sys_common/alloc.rs
#[repr(align(16))] #[repr(align(16))]
#[derive(Default, Copy, Clone)] #[derive(Default, Copy, Clone)]
#[allow(dead_code)] // We never access the inner data directly, only by way of a pointer.
pub struct AlignedType([u8; 16]); pub struct AlignedType([u8; 16]);
impl AlignedType { impl AlignedType {