Block for simple comparaison

gistfile1.m

NSComparisonResult (^sortBlock)(id, id) = ^(id obj1, id obj2) {
    // Objects have a name property
    NSString* name1 = [obj1 name];
    NSString* name2 = [obj2 name];

    return [name1 caseInsensitiveCompare:name2];
};