14 lines
609 B
TeX
14 lines
609 B
TeX
\def\iftwo#1#2#3#4#5\elsefirst#6\elsesecond#7\elseneither#8\owtfi
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{\if#1#2\if#3#4#5\else#6\fi\else\if#3#4#7\else#8\fi\fi}
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\def\both{***both***}
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\def\first{***first***}
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\def\second{***second***}
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\def\neither{***neither***}
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\message{\iftwo{1}{1}{2}{2}\both\elsefirst\first\elsesecond\second\elseneither\neither\owtfi}
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\message{\iftwo{1}{1}{2}{-2}\both\elsefirst\first\elsesecond\second\elseneither\neither\owtfi}
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\message{\iftwo{1}{-1}{2}{2}\both\elsefirst\first\elsesecond\second\elseneither\neither\owtfi}
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\message{\iftwo{1}{-1}{2}{-2}\both\elsefirst\first\elsesecond\second\elseneither\neither\owtfi}
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\bye
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