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28 lines
528 B
Plaintext
28 lines
528 B
Plaintext
---
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sidebar_label: index
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description: The index function finds the element index for a given value in a list.
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---
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# `index` Function
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`index` finds the element index for a given value in a list.
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```hcl
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index(list, value)
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```
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The returned index is zero-based. This function produces an error if the given
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value is not present in the list.
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## Examples
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```
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> index(["a", "b", "c"], "b")
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1
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```
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## Related Functions
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* [`element`](/docs/language/functions/element) retrieves a particular element from a list given
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its index.
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