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Add First Class Closure rules #27

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Aug 2, 2022
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Add First Class Closure rules #27

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6 changes: 6 additions & 0 deletions spec.md
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Expand Up @@ -724,6 +724,12 @@ $someInstance
->run();
```

### 4.8 Function Callable References

A function or method may be referenced in a way that creates a closure out of it, by providing `...` in place of arguments.

If so, the `...` MUST NOT include any whitespace before or after. That is, the correct format is `foo(...)`.

## 5. Control Structures

The general style rules for control structures are as follows:
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