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Functional Java is an open source library that supports closures for the Java programming language
package fj;
import static fj.Unit.unit;
/**
* Functions across products.
*
* @version %build.number%
*/
public final class P {
private P() {
throw new UnsupportedOperationException();
}
/**
* A function that puts an element in a product-1.
*
* @return A function that puts an element in a product-1.
*/
public static F> p1() {
return new F>() {
public P1 f(final A a) {
return p(a);
}
};
}
/**
* A function that puts an element in a product-1.
*
* @param a The element.
* @return The product-1.
*/
public static P1 p(final A a) {
return new P1() {
@Override public A _1() {
return a;
}
@Override public P1 memo() { return this; }
@Override public P1 weakMemo() { return this; }
@Override public P1 softMemo() { return this; }
};
}
public static P1 lazy(final P1 pa) {
return pa;
}
public static P2 lazy(final F0 pa, final F0 pb) {
return new P2() {
@Override
public A _1() {
return pa.f();
}
@Override
public B _2() {
return pb.f();
}
};
}
public static P3 lazy(final F0 pa, final F0 pb, final F0 pc) {
return new P3() {
@Override
public A _1() {
return pa.f();
}
@Override
public B _2() {
return pb.f();
}
@Override
public C _3() {
return pc.f();
}
};
}
public static P4 lazy(final F0 pa, final F0 pb, final F0 pc, final F0 pd) {
return new P4() {
@Override
public A _1() {
return pa.f();
}
@Override
public B _2() {
return pb.f();
}
@Override
public C _3() {
return pc.f();
}
@Override
public D _4() {
return pd.f();
}
};
}
public static P5 lazy(final F0 pa, final F0 pb, final F0 pc, final F0 pd, F0 pe) {
return new P5() {
@Override
public A _1() {
return pa.f();
}
@Override
public B _2() {
return pb.f();
}
@Override
public C _3() {
return pc.f();
}
@Override
public D _4() {
return pd.f();
}
@Override
public E _5() {
return pe.f();
}
};
}
public static P6 lazy(final F0 pa, final F0 pb, final F0 pc, final F0 pd, F0 pe, F0 pf) {
return new P6() {
@Override
public A _1() {
return pa.f();
}
@Override
public B _2() {
return pb.f();
}
@Override
public C _3() {
return pc.f();
}
@Override
public D _4() {
return pd.f();
}
@Override
public E _5() {
return pe.f();
}
@Override
public F _6() {
return pf.f();
}
};
}
public static P7 lazy(final F0 pa, final F0 pb, final F0 pc, final F0 pd, F0 pe, F0 pf, F0 pg) {
return new P7() {
@Override
public A _1() {
return pa.f();
}
@Override
public B _2() {
return pb.f();
}
@Override
public C _3() {
return pc.f();
}
@Override
public D _4() {
return pd.f();
}
@Override
public E _5() {
return pe.f();
}
@Override
public F _6() {
return pf.f();
}
@Override
public G _7() {
return pg.f();
}
};
}
public static P8 lazy(final F0 pa, final F0 pb, final F0 pc, final F0 pd, F0 pe, F0 pf, F0 pg, F0 ph) {
return new P8() {
@Override
public A _1() {
return pa.f();
}
@Override
public B _2() {
return pb.f();
}
@Override
public C _3() {
return pc.f();
}
@Override
public D _4() {
return pd.f();
}
@Override
public E _5() {
return pe.f();
}
@Override
public F _6() {
return pf.f();
}
@Override
public G _7() {
return pg.f();
}
@Override
public H _8() {
return ph.f();
}
};
}
/**
* A function that puts an element in a product-2.
*
* @return A function that puts an element in a product-2.
*/
public static F>> p2() {
return a -> b -> p(a, b);
}
/**
* A function that puts elements in a product-2.
*
* @param a An element.
* @param b An element.
* @return The product-2.
*/
public static P2 p(final A a, final B b) {
return new P2() {
public A _1() {
return a;
}
public B _2() {
return b;
}
};
}
/**
* A function that puts elements in a product-3.
*
* @return A function that puts elements in a product-3.
*/
public static F>>> p3() {
return a -> b -> c -> p(a, b, c);
}
/**
* A function that puts elements in a product-3.
*
* @param a An element.
* @param b An element.
* @param c An element.
* @return The product-3.
*/
public static P3 p(final A a, final B b, final C c) {
return new P3() {
public A _1() {
return a;
}
public B _2() {
return b;
}
public C _3() {
return c;
}
};
}
/**
* A function that puts an element in a product-4.
*
* @return A function that puts an element in a product-4.
*/
public static F>>>> p4() {
return a -> b -> c -> d -> p(a, b, c, d);
}
/**
* A function that puts elements in a product-4.
*
* @param a An element.
* @param b An element.
* @param c An element.
* @param d An element.
* @return The product-4.
*/
public static P4 p(final A a, final B b, final C c, final D d) {
return new P4() {
public A _1() {
return a;
}
public B _2() {
return b;
}
public C _3() {
return c;
}
public D _4() {
return d;
}
};
}
/**
* A function that puts an element in a product-5.
*
* @return A function that puts an element in a product-5.
*/
public static F>>>>> p5() {
return a -> b -> c -> d -> e -> p(a, b, c, d, e);
}
/**
* A function that puts elements in a product-5.
*
* @param a An element.
* @param b An element.
* @param c An element.
* @param d An element.
* @param e An element.
* @return The product-5.
*/
public static P5 p(final A a, final B b, final C c, final D d, final E e) {
return new P5() {
public A _1() {
return a;
}
public B _2() {
return b;
}
public C _3() {
return c;
}
public D _4() {
return d;
}
public E _5() {
return e;
}
};
}
/**
* A function that puts an element in a product-6.
*
* @return A function that puts an element in a product-6.
*/
public static F>>>>>> p6() {
return a -> b -> c -> d -> e -> f -> p(a, b, c, d, e, f);
}
/**
* A function that puts elements in a product-6.
*
* @param a An element.
* @param b An element.
* @param c An element.
* @param d An element.
* @param e An element.
* @param f An element.
* @return The product-6.
*/
public static P6 p(final A a, final B b, final C c, final D d, final E e, final F$ f) {
return new P6() {
public A _1() {
return a;
}
public B _2() {
return b;
}
public C _3() {
return c;
}
public D _4() {
return d;
}
public E _5() {
return e;
}
public F$ _6() {
return f;
}
};
}
/**
* A function that puts an element in a product-7.
*
* @return A function that puts an element in a product-7.
*/
public static F>>>>>>> p7() {
return a -> b -> c -> d -> e -> f -> g -> p(a, b, c, d, e, f, g);
}
/**
* A function that puts elements in a product-7.
*
* @param a An element.
* @param b An element.
* @param c An element.
* @param d An element.
* @param e An element.
* @param f An element.
* @param g An element.
* @return The product-7.
*/
public static P7 p(final A a, final B b, final C c, final D d, final E e, final F$ f, final G g) {
return new P7() {
public A _1() {
return a;
}
public B _2() {
return b;
}
public C _3() {
return c;
}
public D _4() {
return d;
}
public E _5() {
return e;
}
public F$ _6() {
return f;
}
public G _7() {
return g;
}
};
}
/**
* A function that puts an element in a product-8.
*
* @return A function that puts an element in a product-8.
*/
public static F>>>>>>>> p8() {
return a -> b -> c -> d -> e -> f -> g -> h -> p(a, b, c, d, e, f, g, h);
}
/**
* A function that puts elements in a product-8.
*
* @param a An element.
* @param b An element.
* @param c An element.
* @param d An element.
* @param e An element.
* @param f An element.
* @param g An element.
* @param h An element.
* @return The product-8.
*/
public static P8 p(final A a, final B b, final C c, final D d, final E e, final F$ f, final G g, final H h) {
return new P8() {
public A _1() {
return a;
}
public B _2() {
return b;
}
public C _3() {
return c;
}
public D _4() {
return d;
}
public E _5() {
return e;
}
public F$ _6() {
return f;
}
public G _7() {
return g;
}
public H _8() {
return h;
}
};
}
public static P1 lazy(F0 f) {
return new P1() {
@Override
public A _1() {
return f.f();
}
};
}
public static P1 lazy(F f) {
return lazy(() -> f.f(unit()));
}
public static P2 lazy(F fa, F fb) {
return new P2() {
@Override
public A _1() {
return fa.f(unit());
}
@Override
public B _2() {
return fb.f(unit());
}
};
}
public static P3 lazy(F fa, F fb, F fc) {
return new P3() {
@Override
public A _1() {
return fa.f(unit());
}
@Override
public B _2() {
return fb.f(unit());
}
@Override
public C _3() {
return fc.f(unit());
}
};
}
public static P4 lazy(F fa, F fb, F fc, F fd) {
return new P4() {
@Override
public A _1() {
return fa.f(unit());
}
@Override
public B _2() {
return fb.f(unit());
}
@Override
public C _3() {
return fc.f(unit());
}
@Override
public D _4() {
return fd.f(unit());
}
};
}
public static P5 lazy(F fa, F fb, F fc, F fd, F fe) {
return new P5() {
@Override
public A _1() {
return fa.f(unit());
}
@Override
public B _2() {
return fb.f(unit());
}
@Override
public C _3() {
return fc.f(unit());
}
@Override
public D _4() {
return fd.f(unit());
}
@Override
public E _5() {
return fe.f(unit());
}
};
}
public static P6 lazy(F fa, F fb, F fc, F fd, F fe, F ff) {
return new P6() {
@Override
public A _1() {
return fa.f(unit());
}
@Override
public B _2() {
return fb.f(unit());
}
@Override
public C _3() {
return fc.f(unit());
}
@Override
public D _4() {
return fd.f(unit());
}
@Override
public E _5() {
return fe.f(unit());
}
@Override
public F$ _6() {
return ff.f(unit());
}
};
}
public static P7 lazy(F fa, F fb, F fc, F fd, F fe, F ff, F fg) {
return new P7() {
@Override
public A _1() {
return fa.f(unit());
}
@Override
public B _2() {
return fb.f(unit());
}
@Override
public C _3() {
return fc.f(unit());
}
@Override
public D _4() {
return fd.f(unit());
}
@Override
public E _5() {
return fe.f(unit());
}
@Override
public F$ _6() {
return ff.f(unit());
}
@Override
public G _7() {
return fg.f(unit());
}
};
}
public static P8 lazy(F fa, F fb, F fc, F fd, F fe, F ff, F fg, F fh) {
return new P8() {
@Override
public A _1() {
return fa.f(unit());
}
@Override
public B _2() {
return fb.f(unit());
}
@Override
public C _3() {
return fc.f(unit());
}
@Override
public D _4() {
return fd.f(unit());
}
@Override
public E _5() {
return fe.f(unit());
}
@Override
public F$ _6() {
return ff.f(unit());
}
@Override
public G _7() {
return fg.f(unit());
}
@Override
public H _8() {
return fh.f(unit());
}
};
}
}