Function vst1q_lane_u64 

pub unsafe fn vst1q_lane_u64(a: *mut u64, b: uint64x2_t, const LANE: i32)

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

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

Safety

• Neon intrinsic unsafe