vertexclique commented on a change in pull request #8609:
URL: https://github.com/apache/arrow/pull/8609#discussion_r523467239
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File path: rust/arrow/src/memory.rs
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@@ -22,6 +22,14 @@ use std::alloc::Layout;
use std::mem::align_of;
use std::ptr::NonNull;
+/// Target pointer width of the targeted platform
+#[cfg(target_pointer_width = "64")]
+pub(crate) const POINTER_WIDTH: usize = 64;
Review comment:
I don't know what you are referring, there is nothing wrong with the
implementation.
std::mem::size_of::<*const u8>() is not for target pointer size and doesn't
give that.
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