/* ===== 模块5:复合类型 ===== * test11_enum — 枚举 * 难度:3/5 * 验证点:enum 定义、简单枚举值、带数据枚举变体 */ @extern(vm) fn vm_printf(fmt: *u8, ...) void; type Color = enum { Red, Green, Blue, } type Expr = enum { val: i32, tag: Tag, type Tag = enum { TagA, TagB, TagC, } } fn main() i32 { vm_printf("enum values: %d %d %d\n", Color.Red, Color.Green, Color.Blue); vm_printf("enum values: %d %d %d\n", Expr.Tag.TagA, Expr.Tag.TagB, Expr.Tag.TagC); ret 0; }