Where is the standard ruby ​​library directory on Mac?

Question

I want to read some ruby ​​code. And I think this is a good place to start digging. But I can not find it.

Answer 1

And the way to detect the Weppos response is to start the terminal, start irb and enter

$:

to find the library search path

Answer 2

/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby