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util/Manual: add static method Cast()

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This commit is contained in:
Max Kellermann 2018-08-20 15:35:43 +02:00
parent 3fbb54e0a4
commit 5e2af15e94
1 changed files with 7 additions and 0 deletions
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7
src/util/Manual.hxx
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@ -62,6 +62,13 @@ public:
} }
#endif #endif
/**
* Cast a value reference to the containing Manual instance.
*/
static constexpr Manual<T> &Cast(T &value) {
return reinterpret_cast<Manual<T> &>(value);
}
template<typename... Args> template<typename... Args>
void Construct(Args&&... args) { void Construct(Args&&... args) {
assert(!initialized); assert(!initialized);