NSString *lookup=@"Hearts";
typedef void (^CaseBlock)();
NSDictionary *diction=@{@"Diamonds":
^(){
NSLog(@"Riches");
},
@"Clubs":
^(){
NSLog(@"Clubs");
},
@"Spades":
^(){
NSLog(@"Spades");
},
@"Hearts":
^(){
NSLog(@"Hearts!");
}
};
( (CaseBlock) diction[lookup])();