Is there a way to generate error set in comptime?

[Sze]

Are you looking for something like this?

Not able to create ErrorSet after removal @Type?

I used to use the following function to generate error sets from enums, this is very useful when creating wrappers for c libraries. fn EnumError(comptime E: type) type { switch (@typeInfo(E)) { .Enum => { const tag_count = std.meta.fields(E).len; var error_tags: [tag_count]std.builtin.Type.Error = undefined; for (std.meta.fields(E), 0..) |enum_field, index| { error_tags[index] = .{ .name = enum_field.name }; } …