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bevy/crates/bevy_reflect/compile_fail
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Nicholas Nethercote d80078cf2d
bevy_reflect: Introduce reflect_clone_and_take. (#19944) 
# Objective

There is a pattern that appears in multiple places, involving
`reflect_clone`, followed by `take`, followed by `map_err` that produces
a `FailedDowncast` in a particular form.

## Solution

Introduces `reflect_clone_and_take`, which factors out the repeated
code.

## Testing

`cargo run -p ci`

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2025-07-07 19:57:29 +00:00
..
src Move compile fail tests (#13196) 2024-05-03 13:35:21 +00:00
tests bevy_reflect: Introduce reflect_clone_and_take. (#19944) 2025-07-07 19:57:29 +00:00
.gitignore Move compile fail tests (#13196) 2024-05-03 13:35:21 +00:00
Cargo.toml bevyengine.org -> bevy.org (#19503) 2025-06-05 23:09:28 +00:00
README.md Move compile fail tests (#13196) 2024-05-03 13:35:21 +00:00

README.md

Compile fail tests for bevy_reflect

This crate is separate from bevy_reflect and not part of the Bevy workspace in order to not fail crater tests for Bevy. The tests assert on the exact compiler errors and can easily fail for new Rust versions due to updated compiler errors (e.g. changes in spans).

The CI workflow executes these tests on the stable rust toolchain (see tools/ci).

For information on writing tests see compile_fail_utils/README.md.