# Functions
NewClient returns Client with a connection to the named machines.
NewInstancer returns an etcd instancer.
NewRegistrar returns a etcd Registrar acting on the provided catalog registration (service).
NewTTLOption returns a TTLOption that contains proper TTL settings.
# Variables
ErrNoKey indicates a client method needs a key but receives none.
ErrNoValue indicates a client method needs a value but receives none.
# Structs
ClientOptions defines options for the etcd client.
Instancer yields instances stored in a certain etcd keyspace.
Registrar registers service instance liveness information to etcd.
Service holds the instance identifying data you want to publish to etcd.
TTLOption allow setting a key with a TTL.
# Interfaces
Client is a wrapper around the etcd client.