zig/doc/langref/test_coerce_tuples_arrays.zig

const std = @import("std");
const expectEqual = std.testing.expectEqual;

const Tuple = struct { u8, u8 };
test "coercion from homogeneous tuple to array" {
    const tuple: Tuple = .{ 5, 6 };
    const array: [2]u8 = tuple;
    _ = array;
}

// test