`case`/`switch` inconsistent syntax

[hellow554]

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If you use case/switch as an expression you need to write this:

case a {
    0               : 1,
    1               : 2,
    3..=5           : 4,
    10'b00_0000_011x: 5, // matches 6 or 7
    default         : 6,
};

If you want to use case/switch as a statement you need to write this:

case a {
    0: b = 1;
    1: b = 2;
    2: {
           b = 3;
           b = 3;
           b = 3;
       }
    default: b = 4;
}

Not only are the cases terminated differently (, vs ;), but also in one case you need the ; in the end, in the other case you don't.

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Question: is it really necesarry to distinguish the two cases (expression and statement)? Can't you use the expression syntax for everything? I would favor to do so.