public Expression <Func <T, int> > CreateGetHashCode()
{
var obj = Expression.Parameter(Type);
var body = EqualityComparerHelper.CreateGetHashCodeBody(obj, MembersOrder);
var lambda = Expression.Lambda <Func <T, int> >(body, obj);
return(lambda);
}
public Expression <Func <IData, int> > CreateGetHashCodeMethod()
{
var obj = Expression.Parameter(typeof(IData));
var objValue = Expression.Variable(Type);
var dataType = typeof(Data <>).MakeGenericType(Type);
var body = Expression.Block(typeof(int), new ParameterExpression[] { objValue },
Expression.Assign(objValue, Expression.Convert(obj, dataType).Value()),
EqualityComparerHelper.CreateGetHashCodeBody(objValue, MembersOrder)
);
var lambda = Expression.Lambda <Func <IData, int> >(body, obj);
return(lambda);
}