SETL

SETL is a programming language created in 1969 by Jacob T. Schwartz.

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SETL (SET Language) is a very high-level programming language based on the mathematical theory of sets. It was originally developed by (Jack) Jacob T. Schwartz at the New York University (NYU) Courant Institute of Mathematical Sciences in the late 1960s.. Read more on Wikipedia...

SETL website
SETL Wikipedia page
SETL first developed in Courant Institute of Mathematical Sciences
Explore SETL snippets on Rosetta Code
SETL on HOPL
See also: (4 related languages)ALGOL 60, ABC, Ada, Python

Example from Riju:

print("Hello, world!");

Example from Wikipedia:

procedure factorial(n); -- calculates the factorial n!
  return if n = 1 then 1 else n * factorial(n - 1) end if;
end factorial;

Feature	Supported	Token	Example
Print() Debugging	✓	print
Line Comments	✓	--	-- A comment
Comments	✓
Semantic Indentation	X

Language features