Function vcopyq_lane_u32 

pub fn vcopyq_lane_u32(
    a: uint32x4_t,
    const LANE1: i32,
    b: uint32x2_t,
    const LANE2: i32,
) -> uint32x4_t

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

Insert vector element from another vector element Arm’s documentation