heptagon/test/good/itfusion.ept
Cédric Pasteur 493f49fe04 Added iterator fusion
For now it only deals with maps but it can be
easily extended. See test/good/itfusion.ept for 
examples of sequences that can be optimised.
2010-07-21 17:19:51 +02:00

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const n:int = 42
fun inc(a:int) returns (o:int)
let
o = a + 1;
tel
fun f1(a:int^n) returns (o:int^n)
let
o = map inc <<n>>(map inc <<n>> (a));
tel
fun f2(a,b:int^n) returns (o:int^n)
let
o = map (+) <<n>>(map inc <<n>>(b), map inc <<n>> (a));
tel
fun f3(a,b:int^n) returns (o:int^n)
let
o = map (+) <<n>>(b, map inc <<n>> (a));
tel