Boolean values: Difference between revisions
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=={{header|Ruby}}== |
=={{header|Ruby}}== |
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The only values in Ruby that are false are: <code>false</code> and <code>nil</code>. They have synonyms <code>FALSE</code> and <code>NIL</code> |
The only values in Ruby that are false are: <code>false</code> and <code>nil</code>. They have synonyms <code>FALSE</code> and <code>NIL</code>. |
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Everything else (including the |
Everything else (including the number <code>0</code> and the empty string) is true. Constants <code>true</code> (and <code>TRUE</code>) exist. |
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Revision as of 17:53, 10 July 2009
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What values are true and false?
Ruby
The only values in Ruby that are false are: false and nil. They have synonyms FALSE and NIL.
Everything else (including the number 0 and the empty string) is true. Constants true (and TRUE) exist.