Boolean values: Difference between revisions
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=={{header|EMal}}== |
=={{header|EMal}}== |
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<syntaxhighlight lang="emal"> |
<syntaxhighlight lang="emal"> |
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^|EMal has a dedicated Logical type |
^|EMal has a dedicated Logical type expressed by the logic keyword. |
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|It holds the two values false and true. |
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|There are no implicit conversions, but explicit conversions |
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|from/to int (0,1) or text("⊥", "⊤") are allowed |
|from/to int (0,1) or text("⊥", "⊤") are allowed. |
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|^ |
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logic booleanTrue = true |
logic booleanTrue = true |
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writeLine("explicit conversion from text") |
writeLine("explicit conversion from text") |
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end |
end |
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writeLine(int!true) # is one |
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writeLine(text!false) # is "⊥" |
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watch(int!true) # is one |
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watch(text!false) # is "⊥" |
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</syntaxhighlight> |
</syntaxhighlight> |
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{{out}} |
{{out}} |
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explicit conversion from integer |
explicit conversion from integer |
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explicit conversion from text |
explicit conversion from text |
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1 |
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Logical: <⊤> |
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⊥ |
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Integer: <1> |
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Text: <⊥> |
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</pre> |
</pre> |
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