Function vst1q_lane_p64 

pub unsafe fn vst1q_lane_p64(a: *mut u64, b: poly64x2_t, const LANE: i32)

Available on target feature neon and target feature aes and (AArch64 or target_arch="arm64ec") only.

Store multiple single-element structures from one, two, three, or four registers Arm’s documentation

Safety

• Neon instrinsic unsafe