Function vcreate_f16 

pub fn vcreate_f16(a: u64) -> float16x4_t

🔬This is a nightly-only experimental API. (stdarch_neon_f16 #136306)

Available on target feature neon and target feature fp16 and (AArch64 or target_arch="arm64ec") only.

Insert vector element from another vector element Arm’s documentation