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mini spec: Qualified identifiers #2064

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Jan 5, 2025
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mini spec: Qualified identifiers #2064

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14 changes: 14 additions & 0 deletions doc/spec-mini.md
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Expand Up @@ -1038,6 +1038,20 @@ OperandName = identifier | QualifiedIdent .

The [blank identifier](#blank-identifier) may appear as an operand only on the left-hand side of an [assignment statement](#assignment-statements).

### Qualified identifiers

A _qualified identifier_ is an identifier qualified with a package name prefix. Both the package name and the identifier must not be [blank](#blank-identifier).

```go
QualifiedIdent = PackageName "." identifier .
```

A qualified identifier accesses an identifier in a different package, which must be [imported](#import-declarations). The identifier must be [exported](#exported-identifiers) and declared in the [package block](#blocks) of that package.

```go
math.Sin // denotes the Sin function in package math
```

### Commands and calls

TODO
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