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If Julia gets more popular, it is very likely that other Julia implementations will get developed.

• int_19h 9y ago
  Not necessarily. R doesn't have other implementations, for example, and Julia still has some way to go before it catches up with R popularity-wise. Or consider Python - it does have several implementations, but the vast majority of the ecosystem is centered around one, and many libraries don't work on the others in practice (especially anything written in other languages using the extensibility API).
  • ACow_Adonis 9y ago
    Well, technically it can be argued that R is itself an implementation (of the language S). It's just that the alternative implementation has become defacto and replaced the original...
  • kgwgk 9y ago
    There are other R implementations, see https://radfordneal.wordpress.com/2013/07/24/deferred-evaluation-in-renjin-riposte-and-pqr/ https://radfordneal.wordpress.com/2013/07/24/deferred-evalua... for some pointers.
    • int_19h 9y ago
      How many of these are used in production?