public static Expression And(Expression left, Expression right)
=> new BinaryExpression(left, ExpressionKind.And, right);
public static Expression Or(Expression left, Expression right)
=> new BinaryExpression(left, ExpressionKind.Or, right);
public BinaryExpression(Expression left, ExpressionKind op, Expression right)
{
Left = left;
Right = right;
Op = op;
}
public static Expression Not(Expression value)
=> new UnaryExpression(ExpressionKind.Not, value);
public OrderByExpression(Expression memberExpression, SortDirection direction)
{
MemberExpression = memberExpression;
Direction = direction;
}
public InExpression(Expression propertyName, params Expression[] values)
{
PropertyName = propertyName;
Values = values;
}
public BetweenExpression(Expression property, Constant start, Constant end)
{
Property = property;
Start = start;
End = end;
}
public UnaryExpression(ExpressionKind op, Expression operand)
{
Operand = operand;
Op = op;
}
private static BinaryExpression Chain(Expression left, IEnumerator<Expression> e, ExpressionKind op)
{
var right = e.Current;
return new BinaryExpression(
left : left,
op : op,
right : e.MoveNext() ? Chain(right, e, op) : right);
}