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Update 'Identifiers'

Sasha Koshka 2022-08-24 22:07:02 +00:00
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Identifiers.md

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In ARF, the member selection operator (.) is not an operator. It instead links
multiple name tokens together to form what is called an identifier.
multiple name tokens together to form what is called an identifier. For example:
```
io.println
```
...refers to the `println` member of the entity `io`.
Only name tokens can be used in identifiers. If a member of an object that results from another operation needs to be accessed, that object must first be assigned to a variable.
ARF does not have separate syntax for accessing a member of a pointer. The dot works either way, like in Go.