challenge 268, raku solutions

3 files changed, 36 insertions, 0 deletions

diff --git a/challenge-268/feng-chang/raku/ch-1.raku b/challenge-268/feng-chang/raku/ch-1.raku
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+++ b/challenge-268/feng-chang/raku/ch-1.raku
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+#!/bin/env raku
+
+unit sub MAIN(Str:D $x, Str:D $y);
+
+my @x = $x.comb(/\d+/);
+my @y = $y.comb(/\d+/);
+put (@y.sum - @x.sum) / +@x;
diff --git a/challenge-268/feng-chang/raku/ch-2.raku b/challenge-268/feng-chang/raku/ch-2.raku
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+++ b/challenge-268/feng-chang/raku/ch-2.raku
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+#!/bin/env raku
+
+unit sub MAIN(*@ints where +@ints %% 2);
+
+put @ints.sort.map({ $^b, $^a });
diff --git a/challenge-268/feng-chang/raku/test.raku b/challenge-268/feng-chang/raku/test.raku
new file mode 100755
index 0000000000..26ccd46c4f
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+++ b/challenge-268/feng-chang/raku/test.raku
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+#!/bin/env raku
+
+# The Weekly Challenge 268
+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, Magic Number
+pwc-test './ch-1.raku', '3,7,5', '9,5,7', 2, 'Magic Number: @x = (3, 7, 5) @y = (9, 5, 7) => 2';
+pwc-test './ch-1.raku', '1,2,1', '5,4,4', 3, 'Magic Number: @x = (1, 2, 1) @y = (5, 4, 4) => 3';
+pwc-test './ch-1.raku', <2 5>,            3, 'Magic Number: @x = (2)       @y = (5)       => 3';
+
+# Task 2, Number Game
+pwc-test './ch-2.raku', <2 5 3 4>,         '3 2 5 4',         'Number Game: (2, 5, 3, 4)             => (3, 2, 5, 4)';
+pwc-test './ch-2.raku', <9 4 1 3 6 4 6 1>, '1 1 4 3 6 4 9 6', 'Number Game: (9, 4, 1, 3, 6, 4, 6, 1) => (1, 1, 4, 3, 6, 4, 9, 6)';
+pwc-test './ch-2.raku', <1 2 2 3>,         '2 1 3 2',         'Number Game: (1, 2, 2, 3)             => (2, 1, 3, 2)';