{
  "name": "left",
  "type": "function",
  "groups": ["String"],
  "description": "Returns a substring that contains the <i>n</i> leftmost characters of the string.",
  "arguments": [{
    "arg": "string",
    "description": "a string"
  }, {
    "arg": "length",
    "description": "integer. The number of characters from the left of the string to return."
  }],
  "examples": [{
    "expression": "left('Hello World',5)",
    "returns": "'Hello'"
  }],
  "tags": ["first", "start", "begin", "substring", "leftmost", "characters", "contains", "extracts"]
}