starlark 0.13.0

An implementation of the Starlark language in Rust.
Documentation 
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# @generated
# To regenerate, run:
# ```
# STARLARK_RUST_REGENERATE_GOLDEN_TESTS=1 cargo test -p starlark --lib
# ```

Code:
def func_which_returns_union(p) -> str | int:
    if p == 56:
        return "a"
    elif p == 57:
        return 1
    else:
        return []

Error:
error: Expected type `int | str` but got `list[typing.Never]`
 --> filename:8:9
  |
8 |         return []
  |         ^^^^^^^^^
  |

Compiler typechecker (eval):
error: Expected type `int | str` but got `list[typing.Never]`
 --> filename:8:9
  |
8 |         return []
  |         ^^^^^^^^^
  |