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Code Interpolate with Format Strings #175

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Code Interpolate with Format Strings #175

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34 changes: 34 additions & 0 deletions objc-interpolate/FISAppDelegate.m
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,40 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(

*/

// A. DALEK //
NSLog(@"Dalek");
// String Interpolation
NSLog(@"%@", @"Dalek");
// String Interpolation via a Format string with five adjacent format specifiers
NSLog(@"%@%@%@%@%@", @"D", @"a", @"l", @"e", @"k");

// B. Interpolate //
// Print a string that says Interpolate!
NSLog(@"Interpolate!");
// Now, change the format string to a string literal containing only a single
// format specifier (%@) and use the "Interpolate!" string as the format argument
NSLog(@"%@", @"Interpolate!");
// Format string that contain two format specifiers separated by a space
NSLog(@"%@ %@", @"Interpolate!", @"Interpolate!");
// Format string that contain four format specifiers ending with an exclamation point (!)
NSLog(@"%@%@%@%@!", @"In", @"ter", @"po", @"late");
// Format string that contain four format specifiers ending with an exclamation point (!)
// but that separates each syllable with a dash (-)
NSLog(@"%@-%@-%@-%@!", @"In", @"ter", @"po", @"late");

// C. "You are not The Doctor!"
// print a string
NSLog(@"You are not The Doctor!");
// use a single format specifier (%@) in the format string to interpolate the string
NSLog(@"%@", @"You are not The Doctor!");
// Separates each word into a single string that gets interpolated into the
// format string as the list of format arguments
NSLog(@"%@%@%@%@%@%@", @"You", @"are", @"not", @"the", @"Doctor", @"!");
// Now, add spaces except for the exclamation mark at the end
NSLog(@"%@ %@ %@ %@ %@%@", @"You", @"are", @"not", @"the", @"Doctor", @"!");
// Mix and match
NSLog(@"You are %@ %@!", @"not", @"The Doctor");

// Do not alter
return YES; //
///////////////
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