{
  "name": "abs",
  "type": "function",
  "groups": ["Math"],
  "description": "Returns the absolute value of a number.",
  "arguments": [{
    "arg": "value",
    "description": "a number"
  }],
  "examples": [{
    "expression": "abs(-2)",
    "returns": "2"
  }],
  "tags": ["absolute"]
}