Emerald (programming language)

Emerald
Paradigm object-oriented
Designed by Andrew P. Black, Norman C. Hutchinson, Eric B. Jul, Henry M. Levy
First appeared 1980s
Typing discipline strong, static
Website www.emeraldprogramminglanguage.org
Influenced by
Pascal, Simula, Smalltalk
Influenced
Java, Singularity

Emerald is a distributed, object-oriented programming language developed in the 1980s by Andrew P. Black, Norman C. Hutchinson, Eric B. Jul, and Henry M. Levy, in the Department of Computer Science at the University of Washington.[1]

A simple Emerald program can create an object and move it around the system:

const Kilroy ←  object Kilroy
  process
  const origin ←  locate self
  const up ← origin.getActiveNodes
  for e in up
   const there ← e.getTheNode
   move self to there
  end for
  move self to origin
  end process
end Kilroy

Emerald was designed to support high performance distribution, location, and high performance of objects, to simplify distributed programming, to exploit information hiding, and to be a small language.

References

  1. ↑ Black, Andrew P.; Hutchinson, Norman C.; Jul, Eric; Levy, Henry M. (1 January 2007). "The Development of the Emerald Programming Language". ACM. pp. 11–1–11-51. doi:10.1145/1238844.1238855. Retrieved 31 March 2017 – via ACM Digital Library.
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