Type Alias grib_print_proc 

pub type grib_print_proc = Option<unsafe extern "C" fn(c: *const grib_context, descriptor: *mut c_void, mesg: *const c_char)>;

Aliased Type

pub enum grib_print_proc {
    None,
    Some(unsafe extern "C" fn(*const grib_context, *mut c_void, *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const grib_context, *mut c_void, *const i8))

Some value of type T.