modules/rust: Add a keyword argument to pass extra args to the rust compiler

This may be necessary to, for example, stop rustc complaining about
unused functions

2 files changed, 6 insertions, 1 deletions

diff --git a/docs/markdown/Rust-module.md b/docs/markdown/Rust-module.md
index 30a6345..d3891bf 100644
--- a/docs/markdown/Rust-module.md
+++ b/docs/markdown/Rust-module.md
@@ -18,7 +18,7 @@ like Meson, rather than Meson work more like rust.
 
 ## Functions
 
-### test(name: string, target: library | executable, dependencies: []Dependency, link_with: []targets)
+### test(name: string, target: library | executable, dependencies: []Dependency, link_with: []targets, rust_args: []string)
 
 This function creates a new rust unittest target from an existing rust
 based target, which may be a library or executable. It does this by
@@ -35,6 +35,8 @@ argument.
 
 *(since 1.2.0)* the link_with argument can be used to pass additional build
 targets to link with
+*(since 1.2.0)* the `rust_args` keyword argument can be ussed to pass extra
+arguments to the Rust compiler.
 
 ### bindgen(*, input: string | BuildTarget | [](string | BuildTarget), output: string, include_directories: [](include_directories | string), c_args: []string, args: []string, dependencies: []Dependency)
 
diff --git a/docs/markdown/snippets/rust_bindegen_extra_args.md b/docs/markdown/snippets/rust_bindegen_extra_args.md
new file mode 100644
index 0000000..209d0bc
--- /dev/null
+++ b/docs/markdown/snippets/rust_bindegen_extra_args.md
@@ -0,0 +1,3 @@
+## rust.bindgen allows passing extra arguments to rustc
+
+This may be necessary to pass extra `cfg`s or to change warning levels.