Macro ts_type 

macro_rules! ts_type {
    (| $member:tt $($rest:tt)*) => { ... };
    ($elem:tt [] $($rest:tt)*) => { ... };
    ($object:tt [ $($key:tt)+ ] $($rest:tt)*) => { ... };
    ($generic:tt < $arg:tt $($rest:tt)*) => { ... };
    ($base:tt $($rest:tt)*) => { ... };
}

Create a TsType using TypeScript type syntax.