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Task/Optional-parameters/Ursala/optional-parameters-1.ursala
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Task/Optional-parameters/Ursala/optional-parameters-1.ursala
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#import std
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#import nat
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ss ::
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ordering %fZ ~ordering||lleq!
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column %n ~column||1!
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reversed %b
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sorter = +^(~reversed?/~&x! ~&!,-<+ +^/~ordering ~~+ ~&h++ //skip+ predecessor+ ~column)
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Task/Optional-parameters/Ursala/optional-parameters-2.ursala
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Task/Optional-parameters/Ursala/optional-parameters-2.ursala
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example_table =
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<
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<'foo','b '>,
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<'barr','a '>,
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<'bazzz','c'>>
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#cast %sLLL
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examples =
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<
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(sorter ss&) example_table, # default sorting algorithm
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(sorter ss[ordering: leql]) example_table, # sort by field lengths but otherwise default
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(sorter ss[column: 2]) example_table, # etc.
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(sorter ss[reversed: true]) example_table,
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(sorter ss[reversed: true,column: 2]) example_table>
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