test/invocation/named_argument.stmt

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>>> Unsplit.
function ( first : 123 , second : 345 ) ;
<<<
function(first: 123, second: 345);
>>> Split arguments and add trailing comma.
function ( one: "value" , two: "data" , three: "more stuff" ) ;
<<<
function(
  one: "value",
  two: "data",
  three: "more stuff",
);
>>> Mixed named and positional.
f(one: 1, "pos", two: 2, "itional");
<<<
f(one: 1, "pos", two: 2, "itional");
>>> Mixed named and positional split.
function(one: 1, "pos", two: 2, "itional");
<<<
function(
  one: 1,
  "pos",
  two: 2,
  "itional",
);
>>> Split after argument name.
function(veryLongParameterName: veryLong + argument + expression);
<<<
function(
  veryLongParameterName:
      veryLong + argument + expression,
);
>>> Use block-like formatting for arguments that are delimited expressions.
function(list: [element1, element2, element3, element4],
map: {entry1: valueOne, entry2: valueTwo},
call: function(argument1, argument2, argument3));
<<<
function(
  list: [
    element1,
    element2,
    element3,
    element4,
  ],
  map: {
    entry1: valueOne,
    entry2: valueTwo,
  },
  call: function(
    argument1,
    argument2,
    argument3,
  ),
);