Function vcopy_lane_s16

pub unsafe fn vcopy_lane_s16(
    a: int16x4_t,
    const LANE1: i32,
    b: int16x4_t,
    const LANE2: i32,
) -> int16x4_t

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

Insert vector element from another vector element

Arm’s documentation