Switch Statement Symbols (CC Mode Manual)

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10.2.4 Switch Statement Symbols

Switch statements have their own set of syntactic symbols. Here’s an example:

 1: void spam( enum Ingredient i )
 2: {
 3: switch( i ) {
 4: case Ham:
 5: be_a_pig();
 6: break;
 7: case Salt:
 8: drink_some_water();
 9: break;
10: default:
11: {
12: what_is_it();
13: break;
14: }
15: }
14: }

Here, lines 4, 7, and 10 are all assigned case-label syntax, while lines 5 and 8 are assigned statement-case-intro. Line 11 is treated slightly differently since it contains a brace that opens a block; it is given statement-case-open syntax.