{
  "name": "IS",
  "type": "operator",
  "groups": ["Operators"],
  "description": "Returns TRUE if a is the same as b.",
  "arguments": [{
    "arg": "a",
    "description": "any value"
  }, {
    "arg": "b",
    "description": "any value"
  }],
  "examples": [{
    "expression": "'A' IS 'A'",
    "returns": "TRUE"
  }, {
    "expression": "'A' IS 'a'",
    "returns": "FALSE"
  }, {
    "expression": "4 IS 4",
    "returns": "TRUE"
  }, {
    "expression": "4 IS 2+2",
    "returns": "TRUE"
  }, {
    "expression": "4 IS 2",
    "returns": "FALSE"
  }, {
    "expression": "@geometry IS NULL",
    "returns": "0, if your geometry is not NULL"
  }],
  "tags": ["compare", "same", "equal", "identical"]
}