//
//  MPFunction+MPValue.m
//  MathPad
//
//  Created by Kim Wittenburg on 09.10.14.
//  Copyright (c) 2014 Kim Wittenburg. All rights reserved.
//

#import "MPFunction+MPValue.h"

@implementation MPFunction (MPValue)

- (instancetype)initWithTokenStream:(MPTokenStream *)tokenStream
{
    [tokenStream beginIgnoringWhitespaceTokens];
    if (tokenStream.currentToken.tokenType != MPGenericFunctionToken) {
        @throw [NSException exceptionWithName:NSInternalInconsistencyException
                                       reason:@"Expected Function"
                                     userInfo:nil];
    }
    [tokenStream currentTokenConsumed];
    [tokenStream endIgnoringOrAcceptingWhitespaceTokens];
    return [self init];
}

@end