ajout des methodes subsasgn.m et subsref.m

@hashtable/subsasgn.m

+function hash = subsasgn(hash,index,val)
+
+switch index.type
+  case '()'
+    if (length(index.subs) ~= 1)
+      error('Only single indexing is supported.');
+    end
+    hash = put(hash,index.subs{1},val);
+  case '.'
+    hash = put(hash,index.subs,val);
+  otherwise
+    error('Invalid type.')
+end

@hashtable/subsref.m

+function val = subsref(hash,index)
+
+switch index.type
+  case '()'
+    if (length(index.subs) ~= 1)
+      error('Only single indexing is supported.');
+    end
+    val = get(hash,index.subs{1});
+  case '.'
+    val = get(hash,index.subs);
+  otherwise
+    error('Invalid type.')
+end
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