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typecheck: validate aliased object field checks

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Hermes Agent
2026-09-06 09:59:52 +00:00
parent a2dafadbf8
commit e111f46a1d
7 changed files with 35 additions and 4 deletions
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docs/ADVANCED_STATIC_TYPING.md
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@@ -74,6 +74,21 @@ Type mismatch for field alias.score: expected NUMBER, but this value looks like
This is intentionally limited to simple aliases. Broader object-flow analysis through branches, loops, and complex expressions remains planned.
`CHECK TYPE` also follows this simple alias for direct field metadata checks:
```claro
NEW Player player
SET alias player
SET alias.score 10
CHECK TYPE alias.score IS NUMBER
```
If the requested type is wrong, the diagnostic names the alias and the declared field type:
```text
Type check failed: expected TEXT, but alias.score looks like NUMBER.
```
## Function parameter checks
Claro now has a small static-checking foundation for function arguments. Keep the beginner-friendly function syntax, then put the expected type inside the function with `CHECK TYPE`: