David Peter b483d3b0b9 [ty] Literal promotion refactor (#20646) ...

## Summary

Not sure if this was the original intention, but it looks to me like the
previous `Type::literal_promotion_type` was more of an implementation
detail for the actual operation of promoting all literals in a
possibly-nested position of a type.

This is not a pure refactor, as I'm technically changing the behavior
for that protocols diagnostic message suggestion.

## Test Plan

New Markdown test

2025-09-30 14:22:36 +02:00

..

resources

[ty] Literal promotion refactor (#20646)

2025-09-30 14:22:36 +02:00

src

[ty] Literal promotion refactor (#20646)

2025-09-30 14:22:36 +02:00

tests

[ty] Track open files in the server (#19264)

2025-07-18 19:33:35 +05:30

build.rs

Rename Red Knot (#17820)

2025-05-03 19:49:15 +02:00

Cargo.toml

[ty] Avoid overcounting shared memory usage (#19773)

2025-08-06 15:32:02 -04:00

mdtest.py

[ty] Faster iteration on mdtests (#20465)

2025-09-18 10:48:52 +00:00

mdtest.py.lock

Rename Red Knot (#17820)

2025-05-03 19:49:15 +02:00