Function vst1q_lane_f64 

pub unsafe fn vst1q_lane_f64(a: *mut f64, b: float64x2_t, const LANE: i32)

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

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

Safety

• Neon intrinsic unsafe