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ircd::util: Add involatile_cast() template convenience.

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This commit is contained in:
Jason Volk 2022-03-11 18:38:07 -08:00
parent 1165d3e60c
commit 9c7ac98d9a
1 changed files with 22 additions and 0 deletions
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22
include/ircd/util/typography.h
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@ -162,6 +162,28 @@ mutable_cast(T *const t)
return const_cast<type *>(t);
}
//
// Convenience involatile cast template
//
template<class T>
[[using gnu: always_inline, gnu_inline, artificial]]
extern inline typename std::remove_volatile<T>::type &
involatile_cast(T &t)
{
using type = typename std::remove_volatile<T>::type;
return const_cast<type &>(t);
}
template<class T>
[[using gnu: always_inline, gnu_inline, artificial]]
extern inline typename std::remove_volatile<T>::type *
involatile_cast(T *const t)
{
using type = typename std::remove_volatile<T>::type;
return const_cast<type *>(t);
}
//
// Test if type is shared_from_this
//