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# Description This change fixes the bug associated with an incorrect span in `type_mismatch` error message as described in #7288 The `span` argument in the method `into_value` was not being used to convert a `PipelineData::Value` type so when called in [eval_expression](https://github.com/nushell/nushell/blob/main/crates/nu-engine/src/eval.rs#L514-L515), the original expression's span was not being used to overwrite the result of `eval_subexpression`. # User-Facing Changes Using the example described in the issue, the whole bracketed subexpression is correctly underlined. Behavior before change: ``` let val = 10 ($val | into string) + $val Error: nu:🐚:type_mismatch × Type mismatch during operation. ╭─[entry #2:1:1] 1 │ ($val | into string) + $val · ─────┬───── ┬ ──┬─ · │ │ ╰── int · │ ╰── type mismatch for operator · ╰── string ╰──── ``` Behavior after change: ``` let val = 10 ($val | into string) + $val Error: nu:🐚:type_mismatch × Type mismatch during operation. ╭─[entry #2:1:1] 1 │ ($val | into string) + $val · ──────────┬───────── ┬ ──┬─ · │ │ ╰── int · │ ╰── type mismatch for operator · ╰── string ╰──── ``` # Tests + Formatting Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A clippy::needless_collect` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass # After Submitting If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date. |
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nu-protocol
The nu-protocol crate holds the definitions of structs/traits that are used throughout Nushell. This gives us one way to expose them to many other crates, as well as make these definitions available to each other, without causing mutually recursive dependencies.