Boolean values: Difference between revisions
Content deleted Content added
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}}== |
=={{header|Metafont}}== |
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Metafont has the type <tt>boolean</tt>; a boolean variable can be <tt>true</tt> or <tt>false</tt>. |
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. |
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=={{header|Objective-C}}== |
=={{header|Objective-C}}== |