{
  "name": "+",
  "type": "operator",
  "description": "Addition of two values. If one of the values is NULL the result will be NULL.",
  "arguments": [
        { "arg": "a", "description": "value" },
        { "arg": "b", "description": "value" }
  ],
  "examples": [
	{ "expression":"5 + 4", "returns":"9"},
	{ "expression":"5 + NULL", "returns":"NULL"}
  ]
}