Boolean values: Difference between revisions
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→{{header|Standard ML}}: ++ smalltalk |
→{{header|Objective-C}}: ++ metafont |
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if empty? "|| [print "empty] ; empty word
</lang>
=={{header|Metafont}}==
Metafont has the type <tt>boolean</tt>; a boolean variable can be <tt>true</tt> or <tt>false</tt>.
=={{header|Objective-C}}==
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