A guide to Ruby that provides coverage of versions 1.8 and 1.9 of the language. It explains the language from the bottom up: from lexical and syntactic structure to datatypes to expressions and statements and on through methods, blocks, lambdas, closures, classes and modules.

A guide to Ruby that provides coverage of versions 1.8 and 1.9 of the language. It explains the language from the bottom up: from lexical and syntactic structure to datatypes to expressions and statements and on through methods, blocks, lambdas, closures, classes and modules.