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

-@

        # BigDecimal.-@

(from ruby core)
---
    -self -> bigdecimal

---

Returns the BigDecimal negation of self:

    b0 = BigDecimal('1.5')
    b1 = -b0 # => -0.15e1
    b2 = -b1 # => 0.15e1



      

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.