//
//  MPValueGroup.h
//  MathPad
//
//  Created by Kim Wittenburg on 09.10.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "MPExpressionTreeElement.h"

@protocol MPValue <MPExpressionTreeElement>

@end


@interface MPValueGroup : NSObject <MPValue>

@property (nonatomic, strong) NSArray *values;
- (void)appendValue:(id<MPValue>)value;
- (void)insertValue:(id<MPValue>)value
              atIndex:(NSUInteger)index;
- (void)removeValue:(id<MPValue>)value;
- (void)removeValueAtIndex:(NSUInteger)index;
- (id<MPValue>)valueAtIndex:(NSUInteger)index;

@end


@interface MPTokenStream (MPValueSuffixes)

- (id<MPValue>)consumeSuffixesForValue:(id<MPValue>)value;

@end