I've come across a fair number questions with the same file and after cleaning out my other errors there's still one i can't seem to figure out. I think the error is that I have one too many/few { or } but after trying a number of variation, I'm stuck.
I would really appreciate a second set of eyes on this... thanks!
Immediately below shows section in question, the error is being shown at { else }
- (IBAction)digitPressed:(UIButton *)sender
{
NSString *digit = sender.currentTitle;
if (self.userIsInTheMiddleOfEnteringANumber); {
self.display.text = [self.display.text stringByAppendingString:digit];
} else {
self.display.text = digit;
self.userIsInTheMiddleOfEnteringANumber = YES;
}
}
The complete file is inserted blow
#import "CalculatorViewController.h"
#import "CalculatorBrain.h"
@interface CalculatorViewController ()
@property (nonatomic) BOOL userIsInTheMiddleOfEnteringANumber;
@property (nonatomic, strong) CalculatorBrain *brain;
@end
@implementation CalculatorViewController
@synthesize display = _display;
@synthesize userIsInTheMiddleOfEnteringANumber = _userIsInTheMiddleOfEnteringANumber;
@synthesize brain = _brain;
- (CalculatorBrain *)brain
{
if (!_brain) _brain = [[CalculatorBrain alloc] init];
return _brain;
}
- (IBAction)digitPressed:(UIButton *)sender
{
NSString *digit = sender.currentTitle;
if (self.userIsInTheMiddleOfEnteringANumber); {
self.display.text = [self.display.text stringByAppendingString:digit];
} else {
self.display.text = digit;
self.userIsInTheMiddleOfEnteringANumber = YES;
}
}
- (IBAction)enterPressed
{
[self.brain pushOperand:[self.display.text doubleValue]];
self.userIsInTheMiddleOfEnteringANumber = NO;
}
- (IBAction)operationPressed:(UIButton *)sender
{
if (self.userIsInTheMiddleOfEnteringANumber) [self enterPressed];
double result = [self.brain performOperation:sender.currentTitle];
NSString *resultString = [NSString stringWithFormat:@"%g", result];
self.display.text = resultString;
}
@end
It looks like you have ";" after your if statement
if (self.userIsInTheMiddleOfEnteringANumber);