Derive Macro BoundedJoinSemilattice 

#[derive(BoundedJoinSemilattice)]

Derive macro for BoundedJoinSemilattice.

Implements BoundedJoinSemilattice for a struct by constructing bottom() from each field’s bottom element.

Example

#[derive(JoinSemilattice, BoundedJoinSemilattice)]
struct Foo {
    counter: Max<i32>,  // bottom = i32::MIN
    tags: HashSet<String>,  // bottom = ∅
}