Function croaring_sys::ra_append_copy_range

pub unsafe extern "C" fn ra_append_copy_range(
    ra: *mut roaring_array_t, 
    sa: *const roaring_array_t, 
    start_index: u16, 
    end_index: u16, 
    copy_on_write: bool
)

Append new key-value pairs to ra, cloning (in COW sense) values from sa at indexes [start_index, uint16_t end_index)