ruff/crates/red_knot_python_semantic/resources/mdtest/loops
Douglas Creager 23ccb52fa6
[red-knot] Handle unions of callables better (#16716)
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>
2025-03-17 10:35:52 -04:00
..
async_for.md [red-knot] Meta data for Type::Todo (#14500) 2024-11-21 09:59:47 +01:00
for.md [red-knot] detect invalid return type (#16540) 2025-03-12 01:58:59 +00:00
iterators.md [red-knot] detect invalid return type (#16540) 2025-03-12 01:58:59 +00:00
while_loop.md [red-knot] Handle unions of callables better (#16716) 2025-03-17 10:35:52 -04:00