+ (NSDictionary *)xcalMapping {
static NSDictionary *dict = nil;
- if (!dict) {
+ if (dict == nil) {
NSMutableDictionary *xcal;
xcal = [[NSMutableDictionary alloc] initWithCapacity:60];
return dict;
}
-+ (NSDictionary *)xcalAttrMapping
-{
++ (NSDictionary *)xcalAttrMapping {
static NSDictionary *dict = nil;
- if (!dict) {
+ if (dict == nil) {
NSMutableDictionary *xcal;
xcal = [[NSMutableDictionary alloc] initWithCapacity:20];