Fix parsing bug with type declarations

src/frontend/parsing/parser.nim

@@ -1232,7 +1232,7 @@ proc parseTypeFields(self: Parser): seq[tuple[name: IdentExpr, valueType: Expres
         argPrivate: bool
         argType: Expression
         argDefault: Expression
-    while not self.match(RightBrace) and not self.done():
+    while not self.check(RightBrace) and not self.done():
         self.expect(Identifier, "expecting type member name")
         argName = newIdentExpr(self.peek(-1), self.scopeDepth)
         argPrivate = not self.match("*")
@@ -1261,15 +1261,16 @@ proc typeDecl(self: Parser): TypeDecl =
     if self.match(LeftBracket):
         self.parseGenerics(result)
     self.expect("=", "expecting '=' after type name")
-    case self.peek().lexeme:
-        of "ref":
+    var hasNone = false
+    case self.peek().kind:
+        of Ref:
             discard self.step()
             self.expect("object", "expecting 'object' after 'ref'")
             result.isRef = true
-        of "enum":
+        of Enum:
             discard self.step()
             result.isEnum = true
-        of "object":
+        of Object:
             discard self.step()
         else:
             result.value = self.expression()
@@ -1307,8 +1308,9 @@ proc typeDecl(self: Parser): TypeDecl =
                 result.members.add(variant)
                 if self.match(","):
                     continue
-                elif self.match("}"):
+                elif self.check("}"):
                     break
+        self.expect(RightBrace, "expecting '}' after type declaration")