Enum Status

pub enum Status {
    Step,
    Print(String),
    PrintChar(i32),
    ReadInt,
    ReadChar,
    Exit,
}

Current state of the program if no error is thrown

Variants

Step

No action is needed from outside, next instruction can be called

Print(String)

Print the string

PrintChar(i32)

Convert integer to a character and print it

ReadInt

Read an integer from i/o

ReadChar

Read a character fom i/o

Exit

The program should quit without any errors. Don’t call the step function anymore