For more information on an instance method, type something like: : ri « Language Basics « Ruby






  1. Ruby
  2. Language Basics
  3. ri

For more information on an instance method, type something like:


ri Hash.keys

or:

ri Hash#keys








Related examples in the same category

1.use the ri tool: read the document
2.Read the document by package
3.For more information on Hash, type this at a command line:
4.For information on a class method, type at a command line: