use *;
/// Attempts to produce a `u16` from the hardware RNG.
///
/// Intel suggests that you try to call this function up to 10 times in a row if
/// you get a failure. After that there's probably something _actually_ wrong.
///
/// Note: this is the same speed as [`rdrand32_step`], so you usually might as
/// well use that one.
///
/// See
/// [`_rdrand16_step`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_rdrand16_step)
/// Attempts to produce a `u32` from the hardware RNG.
///
/// Intel suggests that you try to call this function up to 10 times in a row if
/// you get a failure. After that there's probably something _actually_ wrong.
///
/// Note: this is the same speed as [`rdrand64_step`], so you usually might as
/// well use that one if you're on a `x86_64`.
///
/// See
/// [`_rdrand32_step`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_rdrand32_step)
/// Attempts to produce a `u64` from the hardware RNG.
///
/// Intel suggests that you try to call this function up to 10 times in a row if
/// you get a failure. After that there's probably something _actually_ wrong.
///
/// Only available on `x86_64`
///
/// See
/// [`_rdrand64_step`](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_rdrand64_step)