pub const CONST_U8: u8 = 0x00;
pub const CONST_I8: i8 = 0x01;
pub const CONST_U64: u8 = 0x02;
pub const CONST_I64: u8 = 0x03;
pub const CONST_F64: u8 = 0x04;
pub const ADDRESS: u8 = 0x05;