Docs updates for data resources, update expressions ref
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@ -129,10 +129,11 @@ resources.
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## Multiple Resource Instances
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Data resources support [the `count` meta-argument](./resources.html#count-multiple-resource-instances)
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as defined for managed resources, with the same syntax and behavior.
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Data resources support [`count`](./resources.html#count-multiple-resource-instances-by-count)
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and [`for_each`](./resources.html#for_each-multiple-resource-instances-defined-by-a-map-or-set-of-strings)
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meta-arguments as defined for managed resources, with the same syntax and behavior.
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As with managed resources, when `count` is present it is important to
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As with managed resources, when `count` or `for_each` is present it is important to
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distinguish the resource itself from the multiple resource _instances_ it
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creates. Each instance will separately read from its data source with its
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own variant of the constraint arguments, producing an indexed result.
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@ -275,7 +275,7 @@ for use in references, as follows:
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`[for k, device in aws_instance.example.device : k => device.size]`.
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When a particular resource has the special
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[`count`](https://www.terraform.io/docs/configuration/resources.html#count-multiple-resource-instances)
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[`count`](https://www.terraform.io/docs/configuration/resources.html#count-multiple-resource-instances-by-count)
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argument set, the resource itself becomes a list of instance objects rather than
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a single object. In that case, access the attributes of the instances using
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either [splat expressions](#splat-expressions) or index syntax:
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