Function vext_u64 

pub unsafe fn vext_u64(
    a: uint64x1_t,
    _b: uint64x1_t,
    const N: i32,
) -> uint64x1_t

Available on (AArch64 or ARM64EC) and (AArch64 or ARM64EC or target feature v7) and (ARM or AArch64 or ARM64EC) and target feature neon only.

Extract vector from pair of vectors Arm’s documentation

Safety

• Neon intrinsic unsafe