Type Alias token_supplier 

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

Aliased Type

pub enum token_supplier {
    None,
    Some(unsafe extern "C" fn(*mut c_void) -> *mut i8),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void) -> *mut i8)

Some value of type T.