Type Alias ThinArcUnion 

pub type ThinArcUnion<H1, T1, H2, T2> = ArcUnion<HeaderSlice<H1, T1>, HeaderSlice<H2, T2>>;

See ArcUnion. This is a version that works for ThinArcs.

Aliased Type

pub struct ThinArcUnion<H1, T1, H2, T2> { /* private fields */ }