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Re^3: Spoiled by Perl (sorting sugar)

by holli (Abbot)
on Oct 31, 2021 at 22:29 UTC ( #11138283=note: print w/replies, xml ) Need Help??

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  1. or download this
    # cmp. Generic, "smart" three-way comparator.
    # Compares strings with string semantics, numbers with number semantic
    +s, Pair objects first by key and then by value etc.
    # if $a eqv $b, then $a cmp $b always returns Order::Same. Otherwise O
    +rder::Less or Order::More.
  2. or download this
    dd 'a  b'.comb.sort;
    (" ", " ", "a", "b", "").Seq;
  3. or download this
    subset CzechString of String;
    multi sub infix:<cmp>(CzechString $a, CzechString $b) {
      # sort logic here
  4. or download this
    sub czech-sort(String $a, String $b) {
      # sort logic here
    @czech-words.sort( &czech-sort );
  5. or download this
    dd ([1,'z'], [2,'a'], ['1', 'a']).sort( *.[0,1] );
    (["1", "a"], [1, "z"], [2, "a"]).Seq
    dd ([1,'z'], [2,'a'], ['1', 'a']).sort( { $^a[0] <=> $^b[0] || $^a[1] 
    +cmp $^b[1] });

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