Code inspection: Replace 'switch' statement with 'switch' expression

This inspection reports switch statements whose branches only compute a value or assign one, so they can be rewritten as a switch expression. This usually makes the code shorter and keeps the branching logic closer to the produced result.

Example

                int result;
                switch (kind)
                {
                    case TokenKind.Number:
                        result = 1;
                        break;
                    case TokenKind.Identifier:
                        result = 2;
                        break;
                    default:
                        result = 0;
                        break;
                }
            

                int result = kind switch
                {
                    TokenKind.Number => 1,
                    TokenKind.Identifier => 2,
                    _ => 0
                };
            

Quick-fix

A switch expression removes repetitive case, assignment, and break boilerplate while preserving the same result.

30 March 2026