This function allows to accomplish logical negations.
1 eval.not
<eval.not>
<value /> !
</eval.not>
| Arguments | |||||
|---|---|---|---|---|---|
| Name | Type | Required | Unique | Nullable | Description |
| Evalue | |||||
| Returns | |
|---|---|
| Type | Description |
| Boolean | Returns a boolean value (true | false) according to the following list:
|
Example
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<xsql-script name='sample'>
<body>
<!-- not false: 1 (true) -->
<println>not false: <eval.not><false /></eval.not></println>
<!-- not hello: 1 (true) -->
<println>not hello: <eval.not><string>hello</string></eval.not></println>
<!-- not '0.0': 1 (true) -->
<println>not '0.0': <eval.not><string>0.0</string></eval.not></println>
<!-- not 4: 1 (true) -->
<println>not 4: <eval.not>4</eval.not></println>
</body>
</xsql-script>