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ircd::ctx: Add ADL'ed state() convenience for promise template.

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This commit is contained in:
Jason Volk 2018-08-30 19:53:16 -07:00
parent ce245cb116
commit 4b2ff18f6c
1 changed files with 16 additions and 0 deletions
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16
include/ircd/ctx/promise.h
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@ -85,6 +85,8 @@ struct ircd::ctx::promise<void>
namespace ircd::ctx
{
template<class T> const shared_state<T> &state(const promise<T> &);
template<class T> shared_state<T> &state(promise<T> &);
template<class T> size_t refcount(const shared_state<T> &);
template<class T> void update(shared_state<T> &s);
template<class T> void invalidate(shared_state<T> &);
@ -363,3 +365,17 @@ ircd::ctx::refcount(const shared_state<T> &st)
return ret;
}
template<class T>
ircd::ctx::shared_state<T> &
ircd::ctx::state(promise<T> &promise)
{
return promise.state();
}
template<class T>
const ircd::ctx::shared_state<T> &
ircd::ctx::state(const promise<T> &promise)
{
return promise.state();
}