Module fat 

We define a type FatNode, named for analogy with a “fat pointer”.

We define a trait FatExt, an extension trait for HugrView. It provides methods that return FatNodes rather than Nodes.

Structs

FatNode

A Fat Node is a Node along with a reference to the HugrView whence it originates.

Traits

FatExt

An extension trait for HugrView which provides methods that delegate to HugrView and then return the result in FatNode form. See for example FatExt::fat_io.