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Mirah (programming language)
Mirah (formerly known as ''Duby'') is a programming language based on Ruby syntax, local type inference, hybrid static/dynamic type system, and a pluggable compiler toolchain. Mirah was created by Charles Oliver Nutter to be "a 'Ruby-like' language, probably a subset of Ruby syntax, that () compile to solid, fast, idiomatic JVM bytecode."〔(Duby: A Type-Inferred Ruby-Like JVM Language )〕 The word ' refers to the gemstone ruby in the Javanese language, a play on the concept of Ruby in Java.〔(Mirah official website )〕
== History ==
In order to foster more participation in the JRuby project from Ruby community members, Nutter began to explore the possibility of presenting Ruby syntax, but with a static type model and direct-to-native compilation. In this context, "native" meant primarily the JVM, but Mirah has been designed around the possibility of having alternative backends for other object-oriented runtimes like the CLR. The language needed to look and feel like Ruby, but without introducing any new library dependencies into JRuby (which ruled out most other JVM languages) and without suffering a performance penalty (which meant writing in Ruby itself was out).
Early versions of Mirah (then Duby) focused mostly on mathematical performance, where dynamic languages often pay the highest cost. Since then it has evolved into a full-fledged JVM language, with several users and real-world applications using it for core components.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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