Function lattices::closure_to_bimorphism

pub fn closure_to_bimorphism<LatA, LatB, LatOut, F>(
    func: F
) -> impl LatticeBimorphism<LatA, LatB, Output = LatOut>
where
    F: FnMut(LatA, LatB) -> LatOut,

Converts a closure to a bimorphism. Does not check for correctness.