sgx_tstd::mem
pub fn align_of_val<T>(val: &T) -> usize where T: ?Sized,
Returns the ABI-required minimum alignment of the type of the value that val points to.
val
Every reference to a value of the type T must be a multiple of this number.
T
use std::mem; assert_eq!(4, mem::align_of_val(&5i32));