pub const Iterator = struct {
    index: usize = 0,
    status: *const Status,

    pub fn next(self: *@This()) ?Error {
        const zoir = self.status.zoir orelse return null;

        if (self.index < zoir.compile_errors.len) {
            const result: Error = .{ .zoir = zoir.compile_errors[self.index] };
            self.index += 1;
            return result;
        }

        if (self.status.type_check) |err| {
            if (self.index == zoir.compile_errors.len) {
                const result: Error = .{ .type_check = err };
                self.index += 1;
                return result;
            }
        }

        return null;
    }
}