artima - If It's Not Nailed Down, Steal It
There's a whole world of language features that we sometimes miss out on as Rubyists, such as pattern matching, S-expressions, and external domain-specific languages. But the good news is that we can have them, too, as long as we're not afraid to steal a few things first. Theft #1: Pattern Matching Pattern matching is a relatively rare language feature found in Standard ML, OCaml0, Haskell, Common
artima - Creating DSLs with Ruby
Broadly speaking, there are two ways to create a DSL. One is to invent a syntax from scratch, and build an interpreter or compiler. The other is to tailor an existing general-purpose language by adding or changing methods, operators, and default actions. This article explores using the latter method to build a DSL on top of Ruby. A DSL, or domain specific language, is a (usually small) programming
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