std::scoped_lock - Man Page

scoped_lock (_MutexTypes &... __m)
scoped_lock (adopt_lock_t, _MutexTypes &... __m) noexcept
scoped_lock (const scoped_lock &)=delete
scoped_lock & operator= (const scoped_lock &)=delete

class std::scoped_lock< _MutexTypes >"A scoped lock type for multiple lockable objects.

A scoped_lock controls mutex ownership within a scope, releasing ownership in the destructor.

Since

C++17