Function vsetq_lane_p8 

pub fn vsetq_lane_p8(a: u8, b: poly8x16_t, const LANE: i32) -> poly8x16_t

🔬This is a nightly-only experimental API. (stdarch_arm_neon_intrinsics #111800)

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

Insert vector element from another vector element Arm’s documentation