eval - Wikipedia
"Evaluation (computer science)" redirects here. For other uses, see Evaluation (disambiguation). In some programming languages, eval , short for evaluate, is a function which evaluates a string as though it were an expression in the language, and returns a result; in others, it executes multiple lines of code as though they had been included instead of the line including the eval. The input to eva
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Lazy-evaluation of a "#{}"-string in ruby
http://allenlsy.com/metaprogramming-ruby-distilled/
