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add Safety section to roc_box as_refcount_ptr()

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Luke Boswell 2024-12-02 14:31:19 +11:00
parent badba1d9c0
commit 89ce3d61d8
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crates/roc_std/src/roc_box.rs
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@ -76,6 +76,10 @@ where
/// The raw pointer to a roc box, including the leading refcount
/// Intended for use by platforms in roc_dealloc
///
/// # Safety
///
/// Returns a raw pointer to the roc box
pub unsafe fn as_refcount_ptr(&self) -> *mut c_void {
let alignment = Self::alloc_alignment();
let with_offset = unsafe { self.contents.as_ptr().cast::<u8>().sub(alignment) };