Sort an array of composite structures: Difference between revisions
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[http://software-lab.de/doc/refB.html#by by] can be used. For example, to |
[http://software-lab.de/doc/refB.html#by by] can be used. For example, to |
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sort by the first element |
sort by the first element |
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<lang PicoLisp>: (by car sort '(("def" 456) ("abc" 789) ("ghi" 123 |
<lang PicoLisp>: (by car sort '(("def" 456) ("abc" 789) ("ghi" 123))) |
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-> (("abc" 789) ("def" 456) ("ghi" 123))</lang> |
-> (("abc" 789) ("def" 456) ("ghi" 123))</lang> |
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or by the second element |
or by the second element |
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<lang PicoLisp>: (by cadr sort '(("def" 456) ("abc" 789) ("ghi" 123 |
<lang PicoLisp>: (by cadr sort '(("def" 456) ("abc" 789) ("ghi" 123))) |
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-> (("ghi" 123) ("def" 456) ("abc" 789))</lang> |
-> (("ghi" 123) ("def" 456) ("abc" 789))</lang> |
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