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>>> blank lines before comments in switch
switch (n) {


  // comment
  case 0:


  // comment


  case 1:
    body;


  // comment


}
<<<
switch (n) {
  // comment
  case 0:

  // comment

  case 1:
    body;

  // comment
}
>>> line comment between cases does not force them to split
switch (n) {
  case 0: zero;
  // comment
  case 1: one;
}
<<<
switch (n) {
  case 0:
    zero;
  // comment
  case 1:
    one;
}
>>> line comment at end of statement does not force split
switch (n) {
  case 0: zero; // comment
  case 1: one; // comment
  case 2: two; // comment
}
<<<
switch (n) {
  case 0:
    zero; // comment
  case 1:
    one; // comment
  case 2:
    two; // comment
}
>>> line comment indentation
switch (n) {
  // before first
  case 0: zero;
  // between
  case 1: one;
  // after last
}
<<<
switch (n) {
  // before first
  case 0:
    zero;
  // between
  case 1:
    one;
  // after last
}
>>> line comment in empty cases
switch (n) {
  case 0: // comment 0
  case 1:
    // comment 1
  case 2:
    // comment 2
}
<<<
switch (n) {
  case 0: // comment 0
  case 1:
  // comment 1
  case 2:
  // comment 2
}
>>> keeps one blank line around case comments in switch expression
e = switch (n) {


  // comment
  0 => a,
  // comment


  1 => b


  // comment


};
<<<
e = switch (n) {
  // comment
  0 => a,
  // comment

  1 => b

  // comment
};
>>> line comment between cases does not force them to split
e = switch (n) {
  0 => zero,
  // comment
  1 => one
};
<<<
e = switch (n) {
  0 => zero,
  // comment
  1 => one
};
>>> line comment at end of case does not force split
e = switch (n) {
  0 => zero, // comment
  1 => one, // comment
  2 => two // comment
};
<<<
e = switch (n) {
  0 => zero, // comment
  1 => one, // comment
  2 => two // comment
};
>>> line comment before case with guard does not force split
e = switch (n) {
  0 => zero,
  // comment
  1 when true => one,
};
<<<
e = switch (n) {
  0 => zero,
  // comment
  1 when true => one,
};
>>> line comment
switch (e) {
  // comment
}
<<<
switch (e) {
  // comment
}
>>> line comment on opening line
switch (e) { // comment
}
<<<
switch (e) {
  // comment
}
>>> indented block comment
switch (e) {
  /* comment */
}
<<<
switch (e) {
  /* comment */
}
>>> block comment with trailing newline
switch (e) {/* comment */
}
<<<
switch (e) {
  /* comment */
}
>>> block comment with leading newline
switch (e) {
  /* comment */}
<<<
switch (e) {
  /* comment */
}
>>> inline block comment
switch (e) {  /* comment */  }
<<<
switch (e) {/* comment */}
>>> line comment
e = switch (n) {
  // comment
};
<<<
e = switch (n) {
  // comment
};
>>> line comment on opening line
e = switch (n) { // comment
};
<<<
e = switch (n) {
  // comment
};
>>> indented block comment
e = switch (n) {
  /* comment */
};
<<<
e = switch (n) {
  /* comment */
};
>>> block comment with trailing newline
e = switch (n) {/* comment */
};
<<<
e = switch (n) {
  /* comment */
};
>>> block comment with leading newline
e = switch (n) {
  /* comment */};
<<<
e = switch (n) {
  /* comment */
};
>>> inline block comment
e = switch (n) {  /* comment */  };
<<<
e = switch (n) {/* comment */};