Fixed an edge case with silent returns #402
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Silent returns (`return`) wren't working, and were not covered by
exhaustive tests.
This PR fixes them and adds some mor sophisticated tests. A `return`
without a value, when interpretd before this PR, would terminate
the script without executing the rest of the code.
This snippet:
```
if false {
return
}
return 3
```
would return `NULL` instead of `3`.
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Silent returns (
return) wren't working, and were not covered byexhaustive tests.
This PR fixes them and adds some mor sophisticated tests. A
returnwithout a value, when interpretd before this PR, would terminate
the script without executing the rest of the code.
This snippet:
would return
NULLinstead of3.