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[users] Introduce class-scoped aliases for true and false for the bools

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This is somewhat experimental and weird; the idea is that bool
arguments are a lot easier to understand if there are proper
names attached, rather than "true" and "false".
This commit is contained in:
Adriaan de Groot 2020-10-13 22:58:02 +02:00
parent ceeab7087c
commit b20c80a28c
1 changed files with 7 additions and 1 deletions
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8
src/modules/users/Config.h
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@ -40,11 +40,17 @@ const NamedEnumTable< HostNameAction >& hostNameActionNames();
class GroupDescription class GroupDescription
{ {
public: public:
// TODO: still too-weakly typed, add a macro to define strongly-typed bools
class MustExist : public std::true_type {};
class CreateIfNeeded : public std::false_type {};
class SystemGroup : public std::true_type {};
class UserGroup : public std::false_type {};
///@brief An invalid, empty group ///@brief An invalid, empty group
GroupDescription() {} GroupDescription() {}
///@brief A group with full details ///@brief A group with full details
GroupDescription( const QString& name, bool mustExistAlready = false, bool isSystem = false ) GroupDescription( const QString& name, bool mustExistAlready = CreateIfNeeded{}, bool isSystem = UserGroup{} )
: m_name( name ) : m_name( name )
, m_isValid( !name.isEmpty() ) , m_isValid( !name.isEmpty() )
, m_mustAlreadyExist( mustExistAlready ) , m_mustAlreadyExist( mustExistAlready )