pub fn from_dependencies(
  deps: List(dependency.Dependency),
) -> List(dependency.Dependency)

pub fn from_lists(
  entries: List(#(List(Int), List(Int))),
) -> Result(List(dependency.Dependency), Nil)

pub fn from_sets(
  entries: List(#(set.Set(Int), set.Set(Int))),
) -> Result(List(dependency.Dependency), Nil)