test/tall/pattern/map.stmt

40 columns                              |
>>> Maps.
switch (obj) {
case  {  }  :
case  <  int  ,  String  >  {  }  :
case  {  k  :  _  }  :
case  {  k  :  _  ,  }  :
case  {  k  :  1  ,  m  :  2  }  :
case  {  ...  }  :
case  {  k  :  _  ,  ...  }  :
  ok;
}
<<<
switch (obj) {
  case {}:
  case <int, String>{}:
  case {k: _}:
  case {k: _}:
  case {k: 1, m: 2}:
  case {...}:
  case {k: _, ...}:
    ok;
}
>>> Unsplit map.
if (obj case {k: 1, m: 3, ...}) {;}
<<<
if (obj case {k: 1, m: 3, ...}) {
  ;
}
>>> If it splits anywhere, it splits at every element.
if (obj case {first: 1,second: 2,third: 3}) {;}
<<<
if (obj case {
  first: 1,
  second: 2,
  third: 3,
}) {
  ;
}
>>> Nested map patterns don't force outer to split.
if (obj case {a: {k: 1}, m: [{k: 3}]}) {;}
<<<
if (obj case {a: {k: 1}, m: [{k: 3}]}) {
  ;
}
>>> Tall splitting style with line comment.
if (obj case {
  // yeah
  a:1,b:2,c:3,
  d:4,e:5,f:6,
}) {;}
<<<
if (obj case {
  // yeah
  a: 1,
  b: 2,
  c: 3,
  d: 4,
  e: 5,
  f: 6,
}) {
  ;
}
>>> Remove trailing comma if unsplit.
if (obj case {k:1,}) {;}
<<<
if (obj case {k: 1}) {
  ;
}
>>> Remove trailing comma if unsplit, multiple.
if (e case {a: 1, b: 2,}) {}
<<<
if (e case {a: 1, b: 2}) {}
>>> Add comma to map pattern if split.
if (e case {a: longPattern1, b: veryLongPattern2}) {}
<<<
if (e case {
  a: longPattern1,
  b: veryLongPattern2,
}) {}
>>> Split inside value forces map to split.
if (obj case {firstKey: first, secondKey: secondLongPattern ||thirdLongPattern}) {;}
<<<
if (obj case {
  firstKey: first,
  secondKey:
      secondLongPattern ||
      thirdLongPattern,
}) {
  ;
}
>>> A nested non-empty list pattern doesn't force the map pattern to split.
var {k: [v]} = value;
<<<
var {k: [v]} = value;
>>> A nested non-empty map pattern doesn't force the map pattern to split.
var {k: {k: v}} = value;
<<<
var {k: {k: v}} = value;
>>> A nested non-empty record pattern doesn't force the map pattern to split.
var {k: (v,)} = value;
<<<
var {k: (v,)} = value;
>>> Remove blank lines before first and last entries. Preserve one between.
if (obj case {


  firstField: 1,



  secondField: 2,



  thirdField: 3


}) {;}
<<<
if (obj case {
  firstField: 1,

  secondField: 2,

  thirdField: 3,
}) {
  ;
}
>>> Discard blank lines if doesn't need to split.
if (obj case {


  a: 1,



  b: 2,



  c: 3


}) {;}
<<<
if (obj case {a: 1, b: 2, c: 3}) {
  ;
}