TF_DataType value;
  TF_OperationGetAttrType(oper, "v", &value, s_);
  EXPECT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);
  EXPECT_EQ(TF_COMPLEX128, value);
}

TEST_F(CApiAttributesTest, TypeList) {
  const TF_DataType list[] = {TF_FLOAT, TF_DOUBLE, TF_HALF, TF_COMPLEX128};
  const size_t list_size = TF_ARRAYSIZE(list);

  auto desc = init("list(type)");
  TF_SetAttrTypeList(desc, "v", list, list_size);

from existing types.
</p>

<pre class="ebnf">
Type     = TypeName [ TypeArgs ] | TypeLit | "(" Type ")" .
TypeName = identifier | QualifiedIdent .
TypeArgs = "[" TypeList [ "," ] "]" .
TypeList = Type { "," Type } .
TypeLit  = ArrayType | StructType | PointerType | FunctionType | InterfaceType |
           SliceType | MapType | ChannelType .
</pre>

<p>