Type Alias grib_data_read_proc 

pub type grib_data_read_proc = Option<unsafe extern "C" fn(c: *const grib_context, ptr: *mut c_void, size: usize, stream: *mut c_void) -> usize>;

Aliased Type

pub enum grib_data_read_proc {
    None,
    Some(unsafe extern "C" fn(*const grib_context, *mut c_void, usize, *mut c_void) -> usize),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const grib_context, *mut c_void, usize, *mut c_void) -> usize)

Some value of type T.