Erlang is a general-purpose concurrent programming language and runtime system. The sequential sub-set of Erlang is a functional language, with strict evaluation and dynamic typing.

Named after A. K. Erlang, it was developed at Ericsson for use in telecommunication hardware. It was designed to support distributed, fault-tolerant, soft-real-time, non-stop applications. Since its release as open source in 1998, it became used by companies world-wide, including Nortel and T-Mobile.

Code looks like this:


fac(0) -> 1; fac(N) -> N * fac(N-1).

See also: Erlang unit

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