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Boolean values: Difference between revisions
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→{{header|Metafont}}: only true and false can be used
m (→{{header|Octave}}: added 0 and not-0 as usable for false and true) |
m (→{{header|Metafont}}: only true and false can be used) |
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=={{header|Metafont}}==
Metafont has the type <tt>boolean</tt>; a boolean variable can be <tt>true</tt> or <tt>false</tt>. Using non boolean values (or expressions that do not evaluate to a boolean value) results in a recoverable error; by default, any non-boolean value is interpreted as false.
=={{header|Objective-C}}==
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