1/2 test "switch simple"... OK
2/2 test "switch inside function"... OK
All 2 tests passed.

switch can be used to capture the field values of a Tagged union. Modifications to the field values can be done by placing a * before the capture variable name, turning it into a pointer.

$ zig test test.zig
All 1 tests passed.

See also:

• enum
• Compile Variables

test.zig

$ zig test test.zig
./docgen_tmp/test.zig:9:5: error: enumeration value 'Color.off' not handled in switch
./docgen_tmp/test.zig:7:29: note: referenced here
test "exhaustive switching" {
                            ^

test.zig

$ zig test test.zig
1/1 test "enum literals with switch"... OK