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zeroize: impl Zeroize for Option #219

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merged 1 commit into from Jun 5, 2019
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zeroize: impl Zeroize for Option #219

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14 changes: 13 additions & 1 deletion zeroize/src/lib.rs
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Expand Up @@ -295,7 +295,19 @@ where
}
}

/// Implement `Zeroize` on slices of types that can be zeroized with `Default`.
impl<Z> Zeroize for Option<Z>
where
Z: Zeroize,
{
fn zeroize(&mut self) {
match self {
Some(value) => value.zeroize(),
None => (),
}
}
}

/// Impl `Zeroize` on slices of types that can be zeroized with `Default`.
///
/// This impl can eventually be optimized using an memset intrinsic,
/// such as `core::intrinsics::volatile_set_memory`. For that reason the blanket
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