Hash join: Difference between revisions
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→{{header|Raku}}: not obvious bare 'a' was code-ref, re-write for clarity
Thundergnat (talk | contribs) m (syntax highlighting fixup automation) |
SqrtNegInf (talk | contribs) m (→{{header|Raku}}: not obvious bare 'a' was code-ref, re-write for clarity) |
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The <tt>.classify</tt> method returns a multimap represented as a <tt>Hash</tt> whose values are <tt>Array</tt>s.
<syntaxhighlight lang="raku" line>sub hash-join(@a, &a, @b, &b) {
my %hash := @b.classify(&b);
@a.map: -> $a {
|(%hash{
}
}
my @A =
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