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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2023-03-04 21:10:24 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-03-04 21:10:24 +0000 |
| commit | 7c7d6558f6d9c50fbb4d2487c98c9a5be15f2f7b (patch) | |
| tree | 80a47f0dc40059014e9448c4c2eb34c54dff45fe /book/en/src/by-example/tips_view_code.md | |
| parent | 1c5db277e4161470136dbd2a11e914ff1d383581 (diff) | |
| parent | 98c5490d94950608d31cd5ad9dd260f2f853735c (diff) | |
Merge #694
694: RTIC 2 r=AfoHT a=korken89
Co-authored-by: Emil Fresk <emil.fresk@gmail.com>
Co-authored-by: Per Lindgren <per.lindgren@ltu.se>
Diffstat (limited to 'book/en/src/by-example/tips_view_code.md')
| -rw-r--r-- | book/en/src/by-example/tips_view_code.md | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/book/en/src/by-example/tips_view_code.md b/book/en/src/by-example/tips_view_code.md index 736b7ac..b4a9066 100644 --- a/book/en/src/by-example/tips_view_code.md +++ b/book/en/src/by-example/tips_view_code.md @@ -1,21 +1,19 @@ # Inspecting generated code -`#[rtic::app]` is a procedural macro that produces support code. If for some -reason you need to inspect the code generated by this macro you have two -options: +`#[rtic::app]` is a procedural macro that produces support code. If for some reason you need to inspect the code generated by this macro you have two options: -You can inspect the file `rtic-expansion.rs` inside the `target` directory. This -file contains the expansion of the `#[rtic::app]` item (not your whole program!) -of the *last built* (via `cargo build` or `cargo check`) RTIC application. The -expanded code is not pretty printed by default, so you'll want to run `rustfmt` -on it before you read it. +You can inspect the file `rtic-expansion.rs` inside the `target` directory. This file contains the expansion of the `#[rtic::app]` item (not your whole program!) of the *last built* (via `cargo build` or `cargo check`) RTIC application. The expanded code is not pretty printed by default, so you'll want to run `rustfmt` on it before you read it. ``` console -$ cargo build --example foo +$ cargo build --example smallest --target thumbv7m-none-eabi +``` +``` console $ rustfmt target/rtic-expansion.rs +``` -tail target/rtic-expansion.rs +``` console +$ tail target/rtic-expansion.rs ``` ``` rust @@ -36,13 +34,14 @@ mod app { } ``` -Or, you can use the [`cargo-expand`] sub-command. This sub-command will expand -*all* the macros, including the `#[rtic::app]` attribute, and modules in your -crate and print the output to the console. +Or, you can use the [`cargo-expand`] sub-command. This sub-command will expand *all* the macros, including the `#[rtic::app]` attribute, and modules in your crate and print the output to the console. [`cargo-expand`]: https://crates.io/crates/cargo-expand ``` console # produces the same output as before +``` + +``` console cargo expand --example smallest | tail ``` |