Commit678e5a0

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Add "safety" comment

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Original file line number	Diff line number	Diff line change
`@@ -92,11 +92,16 @@ use crate::ub_checks;`
`92`	`92`	/// ```
`93`	`93`	`/// use std::slice;`
`94`	`94`	`///`
	`95`	`+/// /// # Safety`
	`96`	`+/// ///`
	`97`	`+/// /// If ptr is not NULL, it must be correctly aligned and`
	`98`	+/// /// point to `len` initialized items of type `f32`.
`95`	`99`	`/// unsafe extern "C" fn handle_slice(ptr: *const f32, len: usize) {`
`96`	`100`	`/// let data = if ptr.is_null() {`
`97`	`101`	/// // `len` is assumed to be 0.
`98`	`102`	`/// &[]`
`99`	`103`	`/// } else {`
	`104`	`+/// // SAFETY: see function docstring.`
`100`	`105`	`/// unsafe { slice::from_raw_parts(ptr, len) }`
`101`	`106`	`/// };`
`102`	`107`	`/// dbg!(data);`

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