Ruby Inside: The Ruby Blog
In math, a unary operation is an operation with a single input. In Ruby, a unary operator is an operator which only takes a single ‘argument’ in the form of a receiver. For example, the – on -5 or ! on !true. In contrast, a binary operator, such as in 2 + 3, deals with two arguments. Here, 2 and 3 (which become one receiver and one argument in a method call to +). Ruby only has a handful of unary
RubyCocoa: RubyInject
RubyInject is a Mac OS X framework that allows you to inject at runtime the Ruby interpreter into any running application, using the mach_star∞ mechanism. It will spawn a new thread on the remote process, initialize the Ruby interpreter, start a new DRb server that exposes an expression evaluator object, and advertises the DRb server URI on Bonjour. A client is provided, inject.rb, that waits on
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