This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.

datetime_format=

        # Logger.datetime_format=

(from ruby core)
---
    datetime_format=(datetime_format)

---

Set date-time format.

`datetime_format`
:   A string suitable for passing to `strftime`.




      

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.