challenge 264, raku solutions

3 files changed, 45 insertions, 0 deletions

diff --git a/challenge-264/feng-chang/raku/ch-1.raku b/challenge-264/feng-chang/raku/ch-1.raku
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+++ b/challenge-264/feng-chang/raku/ch-1.raku
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+#!/bin/env raku
+
+unit sub MAIN(Str:D $s);
+
+my %s = $s.comb.Set;
+my \gel = ('A'..'Z').grep({ %s{.lc} and %s{$_} }).max;
+put gel ne '-Inf' ?? gel !! '';
diff --git a/challenge-264/feng-chang/raku/ch-2.raku b/challenge-264/feng-chang/raku/ch-2.raku
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+++ b/challenge-264/feng-chang/raku/ch-2.raku
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+#!/bin/env raku
+
+unit sub MAIN(Str $source, Str:D $indices);
+
+use MONKEY-SEE-NO-EVAL;
+
+my @src = EVAL "[$source]";
+my @ndx = EVAL "[$indices]";
+my @tgt;
+@tgt.splice(@ndx[$_], 0, @src[$_]) for ^+@src;
+put @tgt;
diff --git a/challenge-264/feng-chang/raku/test.raku b/challenge-264/feng-chang/raku/test.raku
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+++ b/challenge-264/feng-chang/raku/test.raku
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+#!/bin/env raku
+
+# The Weekly Challenge 264
+use Test;
+
+sub pwc-test(Str:D $script, Bool :$deeply? = False, *@input) {
+    my ($expect, $assertion) = @input.splice(*-2, 2);
+    my $p = run $script, |@input, :out;
+    if $deeply {
+        is-deeply $p.out.slurp(:close).chomp.words.Bag, $expect, $assertion;
+    } else {
+        is $p.out.slurp(:close).chomp, $expect, $assertion;
+    }
+}
+
+# Task 1, Greatest English Letter
+pwc-test './ch-1.raku', 'PeRlwEeKLy', 'L', 'Greatest English Letter: PeRlwEeKLy => L';
+pwc-test './ch-1.raku', 'ChaLlenge',  'L', 'Greatest English Letter: ChaLlenge  => L';
+pwc-test './ch-1.raku', 'The',        '',  'Greatest English Letter: The        => ""';
+
+# Task 2, Target Array
+pwc-test './ch-2.raku', '0,1,2,3,4', '0,1,2,2,1', '0 4 1 3 2',
+    'Target Array: @source=(0,1,2,3,4), @indices= (0,1,2,2,1) => (0,4,1,3,2)';
+pwc-test './ch-2.raku', '1,2,3,4,0', '0,1,2,3,0', '0 1 2 3 4',
+    'Target Array: @source=(1,2,3,4,0), @indices= (0,1,2,3,0) => (0,1,2,3,4)';
+pwc-test './ch-2.raku', 1, 0, '1',
+    'Target Array: @source=(1),         @indices= (0)         => (1)';