update()

template<template< template< typename > class, typename, typename, typename... > class Impl, template< typename > class Policy, typename QueryResult , typename I , typename O , typename... Ts>

Update<Impl, Policy, QueryResult, I, O, Ts...> update

(

upp_t< Policy, I, O, Ts... > &

f

)

Factory function for Updater.

Parameters

f	A upp_t for which updates may be performed.

Returns

Update<Impl, Policy, QueryResult, I, O, Ts...>