Macro _tlsm_parse_type

macro_rules! _tlsm_parse_type {
    ((@ $external:ident $arg:tt $($more:tt)+)) => { ... };
    ((@ $external:ident $arg:tt)) => { ... };
    (($parameterized:ident $($arg:tt)*)) => { ... };
    ($constant:ident) => { ... };
}