43 lines
541 B
Java
43 lines
541 B
Java
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class Pair<T, U> {
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T x;
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U y;
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public Pair() { }
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public Pair(T x, U y) {
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this.x = x;
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this.y = y;
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}
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public T fst () {
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return x;
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}
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public U snd () {
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return y;
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}
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}
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public class Iteration {
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id(x) {
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return x;
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}
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m1(x, y) {
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var help;
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help = m2(x, y);
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var y2 = help.snd();
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var x2 = id(x);
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return new Pair<>(x2,y2);
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}
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m2(x,y) {
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var help = m1(x, y);
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var x2 = help.fst();
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var y2 = id(y);
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return new Pair<>(x2, y2);
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}
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}
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