Boolean values: Difference between revisions
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=={{header|Befunge}}== |
=={{header|Befunge}}== |
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Zero is false, non-zero is true. This is only used by the horizontal and vertical switch operators (<code>_</code> and <code>|</code>). |
Zero is false, non-zero is true. This is only used by the horizontal and vertical switch operators (<code>_</code> and <code>|</code>). |
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=={{header|BQN}}== |
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For predicates, the boolean value given must be 0 or 1. All other values error. |
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<pre>{1?34} |
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34 |
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{⟨⟩?34} |
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ERROR</pre> |
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For logical assertion, the test is simply whether the right argument is 1 (<code>𝕩≡1</code>). Anything other than 1 will cause an error. |
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<pre>!1 |
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1 |
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!⟨⟩ |
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ERROR |
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!0 |
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ERROR</pre> |
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=={{header|Bracmat}}== |
=={{header|Bracmat}}== |
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