Read Ruby: A Free, 19 Chapter Ruby 1.9 Reference Guide
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
SmallRuby
SmallRuby is an implementation of Ruby programming language for Smalltalk/X virtual machine. Installation guide Community Screenshots Benchmarks Documentation Recently, Jan did some initial benchmarking of SmallRuby. Results are amazing. For example, in methodCall benchmark, SmallRuby is 40 times faster than Ruby 1.8. This is not bad, I think. SmallRuby exception handling is much slower than in
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Your Language Features Are My Libraries - bitquabit
