exercises/034_quiz4.zig


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//
// Quiz time. See if you can make this program work!
//
// Solve this any way you like, just be sure the output is:
//
//     my_num=42
//
const std = @import("std");

const NumError = error{IllegalNumber};

pub fn main(init: std.process.Init) !void {
    const io = init.io;
    var stdout_writer = std.Io.File.stdout().writer(io, &.{});
    const stdout = &stdout_writer.interface;

    const my_num: NumError!u32 = getNumber();

    try stdout.print("my_num={!}\n", .{my_num});
}

// This function is obviously weird and non-functional. But you will not be changing it for this quiz.
fn getNumber() NumError!u32 {
    if (false) return NumError.IllegalNumber;
    return 42;
}