pub type Id = u32;
pub type RowId = u32;
pub type ColId = u32;
pub type BlockFieldId = u32;
pub type RangeId = u32;
pub type CubeId = u32;
pub type ExtRefId = u32;
pub type SheetId = u16;
pub type TextId = u32;
pub type NameId = u8;
pub type FuncId = u16;
pub type BlockId = usize;
pub const CURR_BOOK: ExtBookId = 0;
pub type ExtBookId = u8;
pub type AuthorId = u8;
pub type PersonId = u32;
pub type StyleId = u32;

pub type EphemeralId = u64;

pub type DiyCellId = u32;
