The global value true is the only instance of class TrueClass and represents a logically true value in boolean expressions. The class provides operators allowing true to be used in logical expressions.

Instance Methods

Exclusive Or—Returns true if obj is nil or false, false otherwise.

Case Equality – For class Object, effectively the same as calling ==, but typically overridden by descendants to provide meaningful semantics in case statements.

Or—Returns true. As obj is an argument to a method call, it is always evaluated; there is no short-circuit evaluation in this case.

true |  puts("or")
true || puts("logical or")

produces:

or

And—Returns false if obj is nil or false, true otherwise.

An alias for

The string representation of true is “true”.