Constant E 

pub const E: c_float = c_float::NAN; // NaN_f32

Null value of real.

Example

use kdbplus::*;
use kdbplus::api::*;

#[no_mangle]
pub extern "C" fn real_borders(_: K) -> K{
  let reals=new_list(qtype::REAL_LIST, 3);
  let reals_slice=reals.as_mut_slice::<E>();
  reals_slice[0]=qnull_base::E;
  reals_slice[1]=qinf_base::E;
  reals_slice[2]=qninf_base::E;
  reals
}

q)real_borders: `libapi_examples 2: (`real_borders; 1);
q)real_borders[]
0N 0W -0We