public static void IfNull <ObjT>(this Nullable <ObjT> value, Action action)
where ObjT : struct
{
if (value.IsNull())
{
action();
}
}
public static T IfNull <ObjT, T>(this Nullable <ObjT> value, Func <T> action)
where ObjT : struct
{
if (value.IsNull())
{
return(action());
}
return(default(T));
}
public static T IfNull <ObjT, T>(this Nullable <ObjT> value, Func <T> actionIfNull, Func <T> actionIfNotNull)
where ObjT : struct
{
if (value.IsNull())
{
return(actionIfNull());
}
else
{
return(actionIfNotNull());
}
}
public static bool IsNotNull <T>(this Nullable <T> obj) where T : struct
{
return(!obj.IsNull());
}
public void IsNull_IsNotNull_false_on_not_null_nullable()
{
Nullable <int> obj = 12;
Assert.True(!obj.IsNull() && obj.IsNotNull());
}
public void IsNull_IsNotNull_true_on_null_nullable()
{
Nullable <int> obj = null;
Assert.True(obj.IsNull() && !obj.IsNotNull());
}
