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AK: Simplify constructors and conversions from nullptr_t
Problem: - Many constructors are defined as `{}` rather than using the ` = default` compiler-provided constructor. - Some types provide an implicit conversion operator from `nullptr_t` instead of requiring the caller to default construct. This violates the C++ Core Guidelines suggestion to declare single-argument constructors explicit (https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#c46-by-default-declare-single-argument-constructors-explicit). Solution: - Change default constructors to use the compiler-provided default constructor. - Remove implicit conversion operators from `nullptr_t` and change usage to enforce type consistency without conversion.
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105 changed files with 300 additions and 244 deletions
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@ -42,7 +42,7 @@ KResultOr<siginfo_t> Process::do_waitid(idtype_t idtype, int id, int options)
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}
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KResultOr<siginfo_t> result = KResult(KSuccess);
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if (Thread::current()->block<Thread::WaitBlocker>(nullptr, options, idtype, id, result).was_interrupted())
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if (Thread::current()->block<Thread::WaitBlocker>({}, options, idtype, id, result).was_interrupted())
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return KResult(-EINTR);
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ASSERT(!result.is_error() || (options & WNOHANG) || result.error() != KSuccess);
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return result;
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