Rosetta Code

Sort using a custom comparator: Difference between revisions

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{{task}}Sort an array (or list) of strings in order of descending length, and in ascending lexicographic order for strings of equal length. Use a sorting facility provided by the language/library, combined with your own callback comparison function.▼
{{task}}
 
▲Sort an array (or list) of strings in order of descending length, and in ascending lexicographic order for strings of equal length. Use a sorting facility provided by the language/library, combined with your own callback comparison function.
 
'''Note:''' Lexicographic order is case-insensitive.
 
=={{header|Ada}}==
'''Compiler:'''[[GNAT]]{{works with|GNAT|GPL 2006}}
===Comparator_Package.ads===
package Comparator_Package is
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=={{header|C}}==
'''Compiler:'''{{works [[with|gcc]] |4.0.1}}
 
'''Platform:''' [[BSD]]
#include <stdlib.h>
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=={{header|C++}}==
'''Compiler:'''{{works [[with|g++]] |4.1.2}}
 
#include <algorithm>
#include <string>
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=={{header|D}}==
'''Compiler:'''{{works [[with|D]] - |DMD 1.026 }}
 
{{libheader|Tango}}
<pre>module customsort ;
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=={{header|Haskell}}==
{{works with|GHC}}
'''Interpreter:''' [[GHC|GHCi]]
import List
import Char
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=={{header|Java}}==
{{works with|Java|1.5+}}
J2SE 5.0:
 
import java.util.Comparator;
import java.util.Arrays;
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=={{header|Perl}}==
{{works with|Perl|5.8.6}}
'''Interpreter:''' [[perl]] 5.8.6
sub mycmp { length $b <=> length $a or lc $a cmp lc $b }
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=={{header|PHP}}==
'''Interpreter:'''{{works with|PHP |4.4.4 CLI}}
<?php
function mycmp($s1, $s2)
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=={{header|Python}}==
{{works with|Python|2.5}}
'''Interpreter''': 2.5
<pre>
def mycmp(s1, s2):
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