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Order two numerical lists: Difference between revisions
Add Seed7 example
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((= (car a) (car b)) (lex<? (cdr a) (cdr b)))
(else (< (car a) (car b)))))</lang>
=={{header|Seed7}}==
The operator corresponding to the ordering described in this example is less than.
<lang seed7>$ include "seed7_05.s7i";
const proc: main is func
begin
writeln([] (1) < [] (1, 2)); # If the first list runs out of elements the result is TRUE.
writeln([] (1, 2) < [] (1)); # If the second list runs out of elements the result is FALSE.
writeln([] (1, 2) < [] (1, 2)); # If both lists run out of elements the result is FALSE.
writeln([] (1, 2, 3) < [] (1, 1, 3)); # The second element is greater than --> FALSE
writeln([] (1, 2, 3) < [] (1, 3, 3)); # The second element is less than --> TRUE
writeln(0 times 0 < [] (1)); # The empty list is less than any nonempty list --> TRUE
writeln([] (1) < 0 times 0); # Any nonempty list is not less than the empty list --> FALSE
writeln(0 times 0 < 0 times 0); # The empty list is not less than the empty list --> FALSE
end func;</lang>
{{out}}
<pre>
TRUE
FALSE
FALSE
FALSE
TRUE
TRUE
FALSE
FALSE
</pre>
=={{header|Standard ML}}==
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