Zig BoundedArray example

bounded_array_example.zig

// Zig version: 0.10.1

// Import the standard library.
const std = @import("std");

// Define MyBoundedArray type.
const maxLength = 32;
const MyBoundedArray = std.BoundedArray(u8, maxLength);

/// Takes a slice as a parameter and fills it with a message.
fn zigBits() MyBoundedArray {
    // Create an array literal.
    var message = [_]u8{ 'z', 'i', 'g', 'b', 'i', 't', 's' };

    // Print the array as string.
    std.log.debug("{s}", .{message});

    // Make an bounded array.
    var array = MyBoundedArray.init(message.len) catch unreachable;
    std.mem.copy(u8, array.slice(), &message);
    return array;
}

/// Entrypoint of the program.
pub fn main() void {
    // Get the message.
    var message = zigBits();

    // Print the message.
    std.log.debug("{s}", .{message.slice()});
}