Function svget3_u64 

pub fn svget3_u64<const IMM_INDEX: i32>(tuple: svuint64x3_t) -> svuint64_t

🔬This is a nightly-only experimental API. (stdarch_aarch64_sve #145052)

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

Extract one vector from a tuple of three vectors Arm’s documentation