Update

5 files changed, 80 insertions, 54 deletions

diff --git a/src/lib/reader.ml b/src/lib/reader.ml
index 9a8e840..dfb05ce 100644
--- a/src/lib/reader.ml
+++ b/src/lib/reader.ml
@@ -1,14 +1,15 @@
-open StdLabels
-
 module I =   Parser.MenhirInterpreter
 
 let sound_to_string
   : Sounds.t list -> string
   = fun t ->
+      (*
     let buff = Buffer.create 16 in
     List.iter t
       ~f:(fun f -> Buffer.add_string buff (Sounds.repr (module Repr.Default) f));
     Buffer.contents buff
+    *)
+    Sounds.repr (module Repr.Default) t
 
 let succeed (res : Sounds.t list) =
   Ok (sound_to_string res)
diff --git a/src/lib/repr/default.ml b/src/lib/repr/default.ml
index 72cf95d..e8cc091 100644
--- a/src/lib/repr/default.ml
+++ b/src/lib/repr/default.ml
@@ -1,3 +1,5 @@
+open StdLabels
+
 type t = string
 
 let none = ""
@@ -56,3 +58,11 @@ let diphtongue
   : t -> t -> t
   = fun t1 t2 ->
     Printf.sprintf "[%s%s]" t1 t2
+
+let fold
+  : t list -> string
+  = fun elems ->
+    let buff = Buffer.create 16 in
+    List.iter elems
+      ~f:(fun f -> Buffer.add_string buff f);
+    Buffer.contents buff
diff --git a/src/lib/sounds/sig.ml b/src/lib/sounds/sig.ml
index e84866e..512abdc 100644
--- a/src/lib/sounds/sig.ml
+++ b/src/lib/sounds/sig.ml
@@ -46,4 +46,6 @@ module type REPR = sig
   val muted : t -> t
 
   val diphtongue : t -> t -> t
+
+  val fold : t list -> string
 end
diff --git a/src/lib/sounds/sounds.ml b/src/lib/sounds/sounds.ml
index 088485a..a8c9ce9 100644
--- a/src/lib/sounds/sounds.ml
+++ b/src/lib/sounds/sounds.ml
@@ -180,7 +180,8 @@ let m =
 
 let l =
   { none with
-    code = Consonant_L }
+    code = Consonant_L
+  ; mutable_ = false }
 
 let r =
   { none with
@@ -238,51 +239,59 @@ let muted f =
     { none with
       code = Muted f }
 
-let rec repr
-  : type a. (module Sig.REPR with type t = a) -> t -> a
-  = fun m letter ->
-    let module Repr = (val m:Sig.REPR with type t = a) in
-    match letter.code, letter.nasal with
-
-    | None, _ -> Repr.none
-    | Voyel_A, false -> Repr.a
-    | Voyel_A, true  -> Repr.a_nasal
-    | Voyel_AI, false -> Repr.e_opened
-    | Voyel_AI, true  -> Repr.i_nasal
-    | E_Closed, _ -> Repr.e_closed
-    | E_Opened, true | Voyel_E, true -> Repr.a_nasal
-    | Voyel_E , _ -> Repr.schwa
-    | E_Opened, _ -> Repr.e_opened
-    | Voyel_I, false -> Repr.i
-    | Voyel_I, true -> Repr.i_nasal
-    | Voyel_O, true -> Repr.o_nasal
-    | Voyel_O, false -> Repr.o
-    | Voyel_U, _  -> Repr.u
-    | Voyel_Y, false -> Repr.y
-    | Voyel_Y, true -> Repr.y_nasal
-    | Voyel_EU, _ -> Repr.eu
-
-    | SemiVoyel_W, _ -> Repr.semi_voyel_w
-    | SemiVoyel_Y, _ -> Repr.semi_voyel_y
-
-    | Consonant_P, _ -> Repr.p
-    | Consonant_B, _ -> Repr.b
-    | Consonant_T, _ -> Repr.t
-    | Consonant_D, _ -> Repr.d
-    | Consonant_K, _ -> Repr.k
-    | Consonant_G, _ -> Repr.g
-    | Consonant_F, _ -> Repr.f
-    | Consonant_V, _ -> Repr.v
-    | SZ, _
-    | Consonant_S, _ -> Repr.s
-    | Consonant_Z, _ -> Repr.z
-
-    | Consonant_X, _ -> Repr.ch
-    | Consonant_J, _ -> Repr.j
-
-    | Consonant_M, _ -> Repr.m
-    | Consonant_N, _ -> Repr.n
-    | Consonant_L, _ -> Repr.l
-    | Consonant_R, _ -> Repr.r
-    | Diphtonge (l1, l2), _ -> Repr.diphtongue (repr m l1) (repr m l2)
-    | Muted t, _ -> Repr.muted (repr m t)
+let repr
+  : (module Sig.REPR) -> t list -> string
+  = fun m letters ->
+    let module Repr = (val m:Sig.REPR) in
+
+    let rec _repr letter =
+
+      match letter.code, letter.nasal with
+
+      | None, _ -> Repr.none
+      | Voyel_A, false -> Repr.a
+      | Voyel_A, true  -> Repr.a_nasal
+      | Voyel_AI, false -> Repr.e_opened
+      | Voyel_AI, true  -> Repr.i_nasal
+      | E_Closed, _ -> Repr.e_closed
+      | E_Opened, true | Voyel_E, true -> Repr.a_nasal
+      | Voyel_E , false -> Repr.schwa
+      | E_Opened, false -> Repr.e_opened
+      | Voyel_I, false -> Repr.i
+      | Voyel_I, true -> Repr.i_nasal
+      | Voyel_O, true -> Repr.o_nasal
+      | Voyel_O, false -> Repr.o
+      | Voyel_U, _  -> Repr.u
+      | Voyel_Y, false -> Repr.y
+      | Voyel_Y, true -> Repr.y_nasal
+      | Voyel_EU, _ -> Repr.eu
+
+      | SemiVoyel_W, _ -> Repr.semi_voyel_w
+      | SemiVoyel_Y, _ -> Repr.semi_voyel_y
+
+      | Consonant_P, _ -> Repr.p
+      | Consonant_B, _ -> Repr.b
+      | Consonant_T, _ -> Repr.t
+      | Consonant_D, _ -> Repr.d
+      | Consonant_K, _ -> Repr.k
+      | Consonant_G, _ -> Repr.g
+      | Consonant_F, _ -> Repr.f
+      | Consonant_V, _ -> Repr.v
+      | SZ, _
+      | Consonant_S, _ -> Repr.s
+      | Consonant_Z, _ -> Repr.z
+
+      | Consonant_X, _ -> Repr.ch
+      | Consonant_J, _ -> Repr.j
+
+      | Consonant_M, _ -> Repr.m
+      | Consonant_N, _ -> Repr.n
+      | Consonant_L, _ -> Repr.l
+      | Consonant_R, _ -> Repr.r
+      | Diphtonge (l1, l2), _ -> Repr.diphtongue (_repr l1) (_repr l2)
+      | Muted t, _ -> Repr.muted (_repr t)
+
+    in
+
+    List.map _repr letters
+    |> Repr.fold
diff --git a/src/lib/sounds/sounds.mli b/src/lib/sounds/sounds.mli
index 8c11488..dcb5e8d 100644
--- a/src/lib/sounds/sounds.mli
+++ b/src/lib/sounds/sounds.mli
@@ -36,8 +36,12 @@ val voyel_u : t
     When nazalized, the voyel become [un] like in "brun" *)
 val voyel_y : t
 
-(** Create a diphtongue from a semi-voyel and a voyel *)
-val diphtongue: t -> t -> t
+(** Create a diphtongue from a semi-voyel and a voyel. 
+
+    Note that there is no control here that the two elements follows the
+    expected type. *)
+val diphtongue
+  : t -> t -> t
 
 val nasal: t -> t option
 
@@ -68,4 +72,4 @@ val is_voyel : t -> bool
 val is_nasal : t -> bool
 
 val repr
-  : (module Sig.REPR with type t = 'a) -> t -> 'a
+  : (module Sig.REPR) -> t list -> string