Package etcd has a generic implementation of a registry that stores things in etcd.

Package rest has generic implementations of resources used for REST responses.

MatcherFunc makes a matcher from the provided function.

MatchOnKey returns a matcher that will send only the object matching key through the matching function f.

SelectionPredicate implements a generic predicate that can be passed to GenericRegistry's List or Watch methods.

Matcher can return true if an object matches the Matcher's selection criteria.

AttrFunc returns label and field sets for List or Watch to compare against, or an error.