HasPrefix Suffolk Method Attempt

[mfriedzz]

Hello,

Here is my attempt.  Very simple.
//
//  main.m
//  hasPreSuffix
//
//  Created by michael friedman on 10/7/09.
//  Copyright 2009 __MyCompanyName__. All rights reserved.
//
#import <Foundation/Foundation.h>
 
int main (int argc, const char * argv[]) {
   NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
   
   NSLog (@"Here is the Prefix Suffolk Method");
   
   NSString *str1 = @"Here is String A";
   NSString *str2 = @"Here";
   NSString *str3 = @"There";
   NSString *str4 = @"String A";
   NSString *str5 = @"String C";
   
   Boolean answer;
   
   answer = [str1 hasPrefix:str2];
   NSLog (@"'Here' is a Prefix Yes(1) or No(0):    %i", answer);
   answer = [str1 hasPrefix:str3];
   NSLog (@"'There' is a Prefix Yes(1) or No(0):    %i", answer);
   answer = [str1 hasSuffix:str4];
   NSLog (@"'String A' is a Suffix Yes(1) or No(0):    %i", answer);
   answer = [str1 hasSuffix:str5];
   NSLog (@"'String C' is a Suffix Yes(1) or No(0):    %i", answer);
   
   
    [pool drain];
    return 0;
}



[Session started at 2009-10-07 20:49:22 -0400.]
2009-10-07 20:49:22.086 hasPreSuffix[2101:10b] Here is the Prefix Suffolk Method
2009-10-07 20:49:22.103 hasPreSuffix[2101:10b] 'Here' is a Prefix Yes(1) or No(0):    1
2009-10-07 20:49:22.104 hasPreSuffix[2101:10b] 'There' is a Prefix Yes(1) or No(0):    0
2009-10-07 20:49:22.104 hasPreSuffix[2101:10b] 'String A' is a Suffix Yes(1) or No(0):    1
2009-10-07 20:49:22.105 hasPreSuffix[2101:10b] 'String C' is a Suffix Yes(1) or No(0):    0

The Debugger has exited with status 0.

[skochan]

Simple is good!

Just to keep things straight, the two NSString methods are defined to return a value of type BOOL, not Boolean (Maybe you found the documentation for Core Foundation's CFStringHasPrefix and CFStringHasSuffix functions that return a Boolean value?).  In the long run, it makes no difference, but it's best to try to keep these oftentimes confusing boolean types/values consistent (see my reply to a post in Chapter 6 about BOOL, TRUE, YES, etc.).


Cheers,

Steve Kochan