提供NSString的camelCased、UpperCamelCased、dashed-case、snake_cased表示形式。
+ (NSString *)zen_stringWithCamelCase:(NSString *)string;
+ (NSString *)zen_stringWithClassifiedCase:(NSString *)string;
+ (NSString *)zen_stringWithDashedCase:(NSString *)string;
+ (NSString *)zen_stringWithUnderscoreCase:(NSString *)string;
+ (NSString *)zen_stringWithSnakeCase:(NSString *)string;
+ (NSString *)zen_stringWithHumanizeUppercase:(NSString *)string;
+ (NSString *)zen_stringWithHumanizeLowercase:(NSString *)string;
- (NSString *)zen_camelCase;
- (NSString *)zen_classify;
- (NSString *)zen_dashed;
- (NSString *)zen_dotNetCase;
- (NSString *)zen_javascriptCase;
- (NSString *)zen_lispCase;
- (NSString *)zen_objcCase;
- (NSString *)zen_pythonCase;
- (NSString *)zen_rubyCase;
- (NSString *)zen_snakeCase;
- (NSString *)zen_underscore;
- (NSString *)zen_upperCamelCase;
- (NSString *)zen_humanizeUppercase;
- (NSString *)zen_humanizeLowercase;