40 lines
1.0 KiB
Zig
40 lines
1.0 KiB
Zig
export executable "guess_number";
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import "std.zig";
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import "rand.zig";
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pub fn main(args: [][]u8) -> %void {
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%%stderr.print_str("Welcome to the Guess Number Game in Zig.\n");
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var seed : u32;
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const seed_bytes = (&u8)(&seed)[0...4];
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%%os_get_random_bytes(seed_bytes);
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var rand = rand_new(seed);
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const answer = rand.range_u64(0, 100) + 1;
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while (true) {
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%%stderr.print_str("\nGuess a number between 1 and 100: ");
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var line_buf : [20]u8;
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const line_len = stdin.read(line_buf) %% |err| {
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%%stderr.print_str("Unable to read from stdin.\n");
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return err;
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};
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const guess = parse_u64(line_buf[0...line_len - 1], 10) %% {
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%%stderr.print_str("Invalid number.\n");
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continue;
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};
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if (guess > answer) {
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%%stderr.print_str("Guess lower.\n");
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} else if (guess < answer) {
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%%stderr.print_str("Guess higher.\n");
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} else {
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%%stderr.print_str("You win!\n");
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return;
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}
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}
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}
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