pub fn new_null() -> K
Expand description
Constructor of q general null.
Example
use kdbplus::qtype;
use kdbplus::api::*;
#[no_mangle]
pub extern "C" fn nullify(_: K) -> K{
let nulls=new_list(qtype::COMPOUND_LIST, 3);
let null_slice=nulls.as_mut_slice::<K>();
null_slice[0]=new_null();
null_slice[1]=new_string("null is not a general null");
null_slice[2]=new_null();
nulls
}
q)void: `libapi_examples 2: (`nullify; 1);
q)void[]
::
"null is not a general null"
::