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Ingy döt Net 2026-04-30 12:34:36 -04:00
parent 4bb20c9b71
commit cbaf4c4b64
12390 changed files with 318560 additions and 27248 deletions
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22
Task/Hash-join/PlainTeX/hash-join.tex
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@ -4,17 +4,17 @@
\def\tabB{Jonah:Whales,Jonah:Spiders,Alan:Ghosts,Alan:Zombies,Glory:Buffy}
\def\mergejoin{\tabjoin{}\expandafter\mergejoini\tabA,\quark:\quark,}
\def\mergejoini#1:#2,{%
\ifx\quark#1\the\tabjoin
\else
\def\mergejoinii##1,#2:##2,{%
\ifx\quark##2\else
\tabjoin\expandafter{\the\tabjoin#1 : #2 : ##2\par}%
\expandafter\mergejoinii\expandafter,%
\fi
}%
\expandafter\mergejoinii\expandafter,\tabB,#2:\quark,%
\expandafter\mergejoini
\fi
\ifx\quark#1\the\tabjoin
\else
\def\mergejoinii##1,#2:##2,{%
\ifx\quark##2\else
\tabjoin\expandafter{\the\tabjoin#1 : #2 : ##2\par}%
\expandafter\mergejoinii\expandafter,%
\fi
}%
\expandafter\mergejoinii\expandafter,\tabB,#2:\quark,%
\expandafter\mergejoini
\fi
}
\mergejoin
\bye