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-rw-r--r--third_party/rust/uniffi_bindgen/src/scaffolding/templates/RecordTemplate.rs16
1 files changed, 16 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/scaffolding/templates/RecordTemplate.rs b/third_party/rust/uniffi_bindgen/src/scaffolding/templates/RecordTemplate.rs
new file mode 100644
index 0000000000..85e131dd8c
--- /dev/null
+++ b/third_party/rust/uniffi_bindgen/src/scaffolding/templates/RecordTemplate.rs
@@ -0,0 +1,16 @@
+{#
+// For each record declared in the UDL, we assume the caller has provided a corresponding
+// rust `struct` with the declared fields. We provide the traits for sending it across the FFI.
+// If the caller's struct does not match the shape and types declared in the UDL then the rust
+// compiler will complain with a type error.
+//
+// We define a unit-struct to implement the trait to sidestep Rust's orphan rule (ADR-0006). It's
+// public so other crates can refer to it via an `[External='crate'] typedef`
+#}
+
+#[::uniffi::derive_record_for_udl]
+struct r#{{ rec.name() }} {
+ {%- for field in rec.fields() %}
+ r#{{ field.name() }}: {{ field.as_type().borrow()|type_rs }},
+ {%- endfor %}
+}