pkg errors, func New(string) error
pkg expvar, func Do(func(KeyValue))
pkg expvar, func Get(string) Var
pkg expvar, func NewFloat(string) *Float
pkg expvar, func NewInt(string) *Int
pkg expvar, func NewMap(string) *Map
pkg expvar, func NewString(string) *String
pkg expvar, func Publish(string, Var)
pkg expvar, method (*Float) Add(float64)
pkg expvar, method (*Float) Set(float64)