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This cleans up how we handle calling unions of types. #16568 adding a three-level structure for callable signatures (`Signatures`, `CallableSignature`, and `Signature`) to handle unions and overloads. This PR updates the bindings side to mimic that structure. What used to be called `CallOutcome` is now `Bindings`, and represents the result of binding actual arguments against a possible union of callables. `CallableBinding` is the result of binding a single, possibly overloaded, callable type. `Binding` is the result of binding a single overload. While we're here, this also cleans up `CallError` greatly. It was previously extracting error information from the bindings and storing it in the error result. It is now a simple enum, carrying no data, that's used as a status code to talk about whether the overall binding was successful or not. We are now more consistent about walking the binding itself to get detailed information about _how_ the binding was unsucessful. --------- Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com> Co-authored-by: Carl Meyer <carl@astral.sh> |
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| .. | ||
| booleans.md | ||
| classes.md | ||
| custom.md | ||
| instances.md | ||
| integers.md | ||
| tuples.md | ||
| unions.md | ||