Function new_long 

pub fn new_long(long: J) -> K

Constructor of q long object. Relabeling of kj.

Example

use kdbplus::api::*;

#[no_mangle]
pub extern "C" fn create_long(_: K) -> K{
  new_long(-668541276001729000)
}

q)lengthy: `libapi_examples 2: (`create_long; 1);
q)lengthy[]
-668541276001729000