blob: d64daf7f6a96a027d551b7880517be3f5f7febba (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* esodata - Data structures of varying utility
* Copyright 2022, Ben Culkin
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package bjc.functypes;
import static bjc.functypes.Combinators.*;
import java.util.function.*;
/**
* Examples about how fixpoints work.
*
* @author Ben Culkin
*
*/
public class FixpointExample {
/**
* Main method.
*
* @param args Unused CLI args.
*/
public static void main(String[] args) {
Function<Integer,
Integer> factorial = Fixpoints.fix(
(input, self) -> input <= 1 ? 1 : input * self.apply(input - 1));
times(10, andThen(factorial::apply, System.out::println));
}
}
|
