lecture 3 material and README

lectures/lecture-03/MorphologySwe.gf

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+resource MorphologySwe = {
+
+param
+  Case = Nom | Gen ;
+  Definite = Ind | Def ;
+  Gender = Com | Neut ;
+  Number = Sg | Pl ;
+
+  NForm = NF Number Definite Case ; -- NF is a constructor
+
+oper
+--  Noun = {s : Number => Definite => Case => Str ; g : Gender} ;
+  Noun = {s : NForm => Str ; g : Gender} ;
+
+  mkNoun : (sin, sig, sdn, sdg, pin, pig, pdn, pdg : Str) -> Gender -> Noun =
+    \sin, sig, sdn, sdg, pin, pig, pdn, pdg, g -> {
+      s = table {
+        NF Sg Ind Nom => sin ;
+        NF Sg Ind Gen => sig ;
+        NF Sg Def Nom => sdn ;
+        NF Sg Def Gen => sdg ;
+        NF Pl Ind Nom => pin ;
+        NF Pl Ind Gen => pig ;
+        NF Pl Def Nom => pdn ;
+        NF Pl Def Gen => pdg
+	} ;
+      g = g
+      } ;
+
+  smartNoun : Str -> Noun = \mamma -> case mamma of {
+    mamm + "a" => mkNoun mamma (mamma + "s") (mamma + "n") (mamma + "ns")
+                (mamm + "or") (mamm + "ors") (mamm + "orna") (mamm + "ornas")
+		Com ;
+    bil => mkNoun bil (bil + "s") (bil + "en") (bil + "ens") 
+                (bil + "ar") (bil + "ars") (bil + "arna") (bil + "arnas") Com
+    } ;
+
+}