| ... | ... | @@ -377,6 +377,32 @@ test "Type.Enum" { |
| 377 | 377 | try testing.expectEqual(@as(u32, 1), @intFromEnum(Bar.a)); |
| 378 | 378 | try testing.expectEqual(@as(u32, 5), @intFromEnum(Bar.b)); |
| 379 | 379 | try testing.expectEqual(@as(u32, 6), @intFromEnum(@as(Bar, @enumFromInt(6)))); |
| 380 | |
| 381 | { // from https://github.com/ziglang/zig/issues/19985 |
| 382 | { // enum with single field can be initialized. |
| 383 | const E = @Type(.{ .@"enum" = .{ |
| 384 | .tag_type = u0, |
| 385 | .is_exhaustive = true, |
| 386 | .fields = &.{.{ .name = "foo", .value = 0 }}, |
| 387 | .decls = &.{}, |
| 388 | } }); |
| 389 | const s: struct { E } = .{.foo}; |
| 390 | try testing.expectEqual(.foo, s[0]); |
| 391 | } |
| 392 | |
| 393 | { // meta.FieldEnum() with single field |
| 394 | const S = struct { foo: u8 }; |
| 395 | const Fe = std.meta.FieldEnum(S); |
| 396 | var s: S = undefined; |
| 397 | const fe = std.meta.stringToEnum(Fe, "foo") orelse return error.InvalidField; |
| 398 | switch (fe) { |
| 399 | inline else => |tag| { |
| 400 | @field(s, @tagName(tag)) = 42; |
| 401 | }, |
| 402 | } |
| 403 | try testing.expectEqual(42, s.foo); |
| 404 | } |
| 405 | } |
| 380 | 406 | } |
| 381 | 407 | |
| 382 | 408 | test "Type.Union" { |
Travis Staloch <twostepted@gmail.com> 2024-12-24 19:44:43-08:00
Andrew Kelley <andrew@ziglang.org> 2024-12-29 13:37:39-05:00
test