/HomeDAOLeo

tictactoe in Leo for HomeDAO Hack

Primary LanguageShell

A standard game of Tic-Tac-Toe in Leo.

⭕ ❕ ⭕ ❕ ❌

➖ ➕ ➖ ➕ ➖

⭕ ❕ ⁣❌ ❕ ⭕

➖ ➕ ➖ ➕ ➖

❌ ❕ ❌ ❕ ⭕

Representing State

Leo allows users to define composite data types with the struct keyword. The game board is represented by a struct called Board, which contains three Rows. An alternative representation would be to use an array, however, these are not yet supported in Leo.

Language Features

  • struct declarations
  • conditional statements
  • early termination. Leo allows users to return from a function early using the return keyword.

Running the Program

Leo provides users with a command line interface for compiling and running Leo programs. Users may either specify input values via the command line or provide an input file in inputs/.

Providing inputs via the command line.

  1. Run
leo run <function_name> <input_1> <input_2> ...

See ./run.sh for an example.

Using an input file.

  1. Modify inputs/tictactoe.in with the desired inputs.
  2. Run
leo run <function_name>

Executing the Program

leo execute <function_name> <input_1> <input_2> ...

Playing the Game

1. Create a new game board

leo run new
0 0 0
0 0 0
0 0 0

2. Player 1 makes a move

leo run make_move 1u8 1u8 1u8 "{ r1: { c1: 0u8, c2: 0u8, c3: 0u8 }, r2: { c1: 0u8, c2: 0u8, c3: 0u8 }, r3: { c1: 0u8, c2: 0u8, c3: 0u8 } }"
1 0 0
0 0 0
0 0 0

3. Player 2 makes a move

leo run make_move 2u8 2u8 2u8 "{ r1: { c1: 1u8, c2: 0u8, c3: 0u8 }, r2: { c1: 0u8, c2: 0u8, c3: 0u8 }, r3: { c1: 0u8, c2: 0u8, c3: 0u8 } }"
1 0 0
0 2 0
0 0 0