1 files changed, 31 insertions, 0 deletions
diff --git a/lux-r/source/luxc/lang/translation/r/structure.jvm.lux b/lux-r/source/luxc/lang/translation/r/structure.jvm.lux
new file mode 100644
index 000000000..cea8fcd59
--- /dev/null
+++ b/lux-r/source/luxc/lang/translation/r/structure.jvm.lux
@@ -0,0 +1,31 @@
+(.module:
+  lux
+  (lux (control [monad #+ do])
+       (data [text]
+             text/format)
+       [macro])
+  (luxc ["&" lang]
+        (lang [synthesis #+ Synthesis]
+              (host [r #+ Expression])))
+  [//]
+  (// [".T" runtime]))
+
+(def: #export (translate-tuple translate elemsS+)
+  (-> (-> Synthesis (Meta Expression)) (List Synthesis) (Meta Expression))
+  (case elemsS+
+    #.Nil
+    (:: macro.Monad<Meta> wrap runtimeT.unit)
+
+    (#.Cons singletonS #.Nil)
+    (translate singletonS)
+
+    _
+    (do {@ macro.Monad<Meta>}
+      [elemsT+ (monad.map @ translate elemsS+)]
+      (wrap (r.list elemsT+)))))
+
+(def: #export (translate-variant translate tag tail? valueS)
+  (-> (-> Synthesis (Meta Expression)) Nat Bit Synthesis (Meta Expression))
+  (do macro.Monad<Meta>
+    [valueT (translate valueS)]
+    (wrap (runtimeT.variant tag tail? valueT))))