1 files changed, 14 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/DataHelper.swift b/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/DataHelper.swift
new file mode 100644
index 0000000000..7db240bf9c
--- /dev/null
+++ b/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/DataHelper.swift
@@ -0,0 +1,14 @@
+fileprivate struct FfiConverterData: FfiConverterRustBuffer {
+    typealias SwiftType = Data
+
+    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> Data {
+        let len: Int32 = try readInt(&buf)
+        return Data(try readBytes(&buf, count: Int(len)))
+    }
+
+    public static func write(_ value: Data, into buf: inout [UInt8]) {
+        let len = Int32(value.count)
+        writeInt(&buf, len)
+        writeBytes(&buf, value)
+    }
+}