1 files changed, 22 insertions, 0 deletions
diff --git a/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/MapTemplate.swift b/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/MapTemplate.swift
new file mode 100644
index 0000000000..05713aca26
--- /dev/null
+++ b/third_party/rust/uniffi_bindgen/src/bindings/swift/templates/MapTemplate.swift
@@ -0,0 +1,22 @@
+fileprivate struct {{ ffi_converter_name }}: FfiConverterRustBuffer {
+    public static func write(_ value: {{ type_name }}, into buf: inout [UInt8]) {
+        let len = Int32(value.count)
+        writeInt(&buf, len)
+        for (key, value) in value {
+            {{ key_type|write_fn }}(key, into: &buf)
+            {{ value_type|write_fn }}(value, into: &buf)
+        }
+    }
+
+    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> {{ type_name }} {
+        let len: Int32 = try readInt(&buf)
+        var dict = {{ type_name }}()
+        dict.reserveCapacity(Int(len))
+        for _ in 0..<len {
+            let key = try {{ key_type|read_fn }}(from: &buf)
+            let value = try {{ value_type|read_fn }}(from: &buf)
+            dict[key] = value
+        }
+        return dict
+    }
+}