Eclipse Command Language is an actively used programming language created in 2008.

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  • Eclipse Command Language first appeared in 2008
  • file extensions for Eclipse Command Language include ecl
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Example code from Linguist:

:- lib(ic).

/**
 * Question 1.11
 * vabs(?Val, ?AbsVal)
 */
vabs(Val, AbsVal):-
	AbsVal #> 0,
	(
		Val #= AbsVal
	;
		Val #= -AbsVal
	),
	labeling([Val, AbsVal]).

/**
 * vabsIC(?Val, ?AbsVal)
 */
vabsIC(Val, AbsVal):-
	AbsVal #> 0,
	Val #= AbsVal or Val #= -AbsVal,
	labeling([Val, AbsVal]).

/**
 * Question 1.12
 */
% X #:: -10..10, vabs(X, Y).
% X #:: -10..10, vabsIC(X, Y).

/**
 * Question 1.13
 * faitListe(?ListVar, ?Taille, +Min, +Max)
 */
faitListe([], 0, _, _):-!.
faitListe([First|Rest], Taille, Min, Max):-
	First #:: Min..Max,
	Taille1 #= Taille - 1,
	faitListe(Rest, Taille1, Min, Max).

/**
 * Question 1.14
 * suite(?ListVar)
 */
suite([Xi, Xi1, Xi2]):-
	checkRelation(Xi, Xi1, Xi2).
suite([Xi, Xi1, Xi2|Rest]):-
	checkRelation(Xi, Xi1, Xi2),
	suite([Xi1, Xi2|Rest]).

/**
 * checkRelation(?Xi, ?Xi1, ?Xi2)
 */
checkRelation(Xi, Xi1, Xi2):-
	vabs(Xi1, VabsXi1),
	Xi2 #= VabsXi1 - Xi.

/**
 * Question 1.15
 * checkPeriode(+ListVar).
 */
% TODO Any better solution?
checkPeriode(ListVar):-
	length(ListVar, Length),
	Length < 10.
checkPeriode([X1, X2, X3, X4, X5, X6, X7, X8, X9, X10|Rest]):-
	X1 =:= X10,
	checkPeriode([X2, X3, X4, X5, X6, X7, X8, X9, X10|Rest]).
% faitListe(ListVar, 18, -9, 9), suite(ListVar), checkPeriode(ListVar). => 99 solutions


/**
 * Tests
 */
/*
vabs(5, 5). => Yes
vabs(5, -5). => No
vabs(-5, 5). => Yes
vabs(X, 5).
vabs(X, AbsX). 
vabsIC(5, 5). => Yes
vabsIC(5, -5). => No
vabsIC(-5, 5). => Yes
vabsIC(X, 5).
vabsIC(X, AbsX).

faitListe(ListVar, 5, 1, 3). => 243 solutions
faitListe([_, _, _, _, _], Taille, 1, 3). => Taille = 5 !!!!!!!!!!!!!!!!

faitListe(ListVar, 18, -9, 9), suite(ListVar). => 99 solutions
*/

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