sgsMaybe [class]

template< class T > class sgsMaybe

This is the class used for handling nullable values.

Variables

• T data - the data variable
• bool isset - specifies whether the data variable contains any useful data (false if value is null)

Constructors

• sgsMaybe() - initializes a null nullable value
• sgsMaybe( EsgsMaybeNot ) - initializes a null nullable value, to be used in functions returning sgsMaybe by returning sgsMaybeNot
• sgsMaybe( const T& val ) - initializes a nullable value from another such value

Methods

• void set( const T& val ) - sets the variable to the specified (non-`null`) value
• void unset() - sets the variable to null