Type Alias lean_external_finalize_proc 

pub type lean_external_finalize_proc = Option<unsafe extern "C" fn(arg1: *mut c_void)>;

Aliased Type

pub enum lean_external_finalize_proc {
    None,
    Some(unsafe extern "C" fn(*mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void))

Some value of type T.