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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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@ -44,7 +44,7 @@ template<typename T, typename EnableIf<IsPointer<T>::value, int>::Type = 0>
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class Userspace {
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public:
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Userspace() { }
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Userspace() = default;
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operator bool() const { return m_ptr; }
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operator FlatPtr() const { return (FlatPtr)m_ptr; }
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