{
  "name": "concat",
  "type": "function",
  "groups": ["String"],
  "description": "Concatenates several strings to one. NULL values are converted to empty strings. Other values (like numbers) are converted to strings.",
  "variableLenArguments": true,
  "arguments": [{
    "arg": "string1",
    "syntaxOnly": true
  }, {
    "arg": "string2",
    "syntaxOnly": true
  }, {
    "arg": "string",
    "descOnly": true,
    "description": "a string value"
  }],
  "examples": [{
    "expression": "concat('sun', 'set')",
    "returns": "'sunset'"
  }, {
    "expression": "concat('a','b','c','d','e')",
    "returns": "'abcde'"
  }, {
    "expression": "concat('Anno ', 1984)",
    "returns": "'Anno 1984'"
  }, {
    "expression": "concat('The Wall', NULL)",
    "returns": "'The Wall'"
  }],
  "tags": ["empty", "converted", "numbers", "concatenates", "null", "strings", "several", "other", "values"]
}