Function eccodes_sys::grib_get_double_element

pub unsafe extern "C" fn grib_get_double_element(
    h: *const grib_handle, 
    key: *const c_char, 
    i: c_int, 
    value: *mut f64
) -> c_int

Get as double the i-th element of the “key” array

@param h : the handle to get the data from @param key : the key to be searched @param i : zero-based index @param value : the address of a double where the data will be retrieved @return 0 if OK, integer value on error