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-rw-r--r--CONTRIBUTING.md8
1 files changed, 5 insertions, 3 deletions
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 3d757ccd..48e4a402 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -326,9 +326,11 @@ generated Rust code are implemented using the [`syn`](https://docs.rs/syn) crate
If a new option can be implemented using the `syn` crate it should be added to
the `codegen::postprocessing` module by following these steps:
-- Introduce a new `struct` with no fields.
-- Implement the `PostProcessing` trait for the `struct`.
-- Add the `struct` to the `decl_postprocessing` macro invocation.
+- Introduce a new field to `BindgenOptions` for the option.
+- Write a free function inside `codegen::postprocessing` implementing the
+ option. This function with the same name of the `BindgenOptions` field.
+- Add a new value to the `codegen::postprocessing::PASSES` for the option using
+ the `pass!` macro.
## Pull Requests and Code Reviews