| Function defintion | Function description |
|---|---|
| feature-exists($feature) | |
| Example: |
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| variable-exists($name) | |
| Example: |
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| global-variable-exists($name) | |
| Example: |
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| function-exists($name) | |
| Example: |
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| mixin-exists($name) | |
| Example: |
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| inspect($value) | |
| Example: |
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| type-of($value) | |
| Example: |
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| unit($number) | |
| Example: |
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| unitless($number) | |
| Example: |
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| comparable($number1, $number2) | |
| Example: |
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| call($name, $args…) | |
| Example: |
|