Mutual recursion: Difference between revisions
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lists:map(fun(X) -> io:format("~w ", [m(X)]) end, lists:seq(0,19)), |
lists:map(fun(X) -> io:format("~w ", [m(X)]) end, lists:seq(0,19)), |
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io:format("~n", []).</lang> |
io:format("~n", []).</lang> |
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=={{header|Forth}}== |
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Forward references required for mutual recursion may be set up using DEFER. |
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<lang forth> |
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defer m |
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: f ( n -- n ) |
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dup 0= if 1+ exit then |
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dup 1- recurse m - ; |
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:noname ( n -- n ) |
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dup 0= if exit then |
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dup 1- recurse f - ; |
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is m |
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: test ( xt n -- ) cr 0 do i over execute . loop drop ; |
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' m 20 test \ 0 0 1 2 2 3 4 4 5 6 6 7 7 8 9 9 10 11 11 12 |
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' f 20 test \ 1 1 2 2 3 3 4 5 5 6 6 7 8 8 9 9 10 11 11 12 |
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</lang> |
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=={{header|Fortran}}== |
=={{header|Fortran}}== |
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