What do the different symbols in the API section of the XCode Documentation mean?

问题

Looking at the API section on the left side of the XCode Documentation, I've always wondered what the symbols mean?

For instance, there's a "K" in a green square, a "T" in an orange square, an "M" in a blue square, etc.

Is there a key for these?

Thanks!

Rashiki

回答1:

• C: Class, like NSString
• M: Method, like -initWithString:

• : Define, like nil

• f: Function, like CFStringAppend()
• T: Typedef, usually enums like NSStringEncoding
• K: Constants, usually a member of an enum like NSUTF8StringEncoding
• G: Global instances, usually strings like NSDirectoryFileType

回答2:

I'm going to expand the list for XCode circa late 2011:

C: Class
M: Method
#: Define
f: Function
T: Typedef
K: Constants
G: Global instance
V: Keys for a dictionary and KVO/KVC
E: Enumeration
P: Property
(books,papers): Library
(a book): Category or conceptual document
(XCode icon): Sample code project
(sheet of paper): Document page or section
?: Help article

来源：https://stackoverflow.com/questions/1856731/what-do-the-different-symbols-in-the-api-section-of-the-xcode-documentation-mean