Ruby equivalent of Python's “dir”?

Question

In Python we can \"dir\" a module, like this:

>>> import re
>>> dir(re)

And it lists all functions in the module. Is ther

Answer 1

Tip for "searching" for a method in irb:

"something".methods.select {|item| item =~ /query/ }

Tip for trying out methods on a value for comparison:

value = "something"
[:upcase, :downcase, :capitalize].collect {|method| [method, value.send(method)] }

Also, note that you won't get all the same information as Python's dir with object.methods. You have to use a combination of object.methods and class.constants, also class.singleton_methods to get the class methods.