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- #!/usr/bin/ruby
- #
- ## https://rosettacode.org/wiki/Generic_swap#Sidef
- #
- func swap_1(Ref a, Ref b) {
- var tmp = *a;
- *a = *b;
- *b = tmp;
- }
- func swap_2(Ref a, Ref b) {
- (*a, *b) = (*b, *a);
- }
- var (a, b) = ([1], [2]);
- swap_1(\a, \b);
- assert_eq(a, [2]);
- assert_eq(b, [1]);
- swap_2(\b, \a);
- assert_eq(a, [1]);
- assert_eq(b, [2]);
- say "** Test passed!";
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