zig/doc/langref/destructuring_to_existing.zig

const print = @import("std").debug.print;

pub fn main() void {
    var x: u32 = undefined;
    var y: u32 = undefined;
    var z: u32 = undefined;

    const tuple = .{ 1, 2, 3 };

    x, y, z = tuple;

    print("tuple: x = {}, y = {}, z = {}\n", .{x, y, z});

    const array = [_]u32{ 4, 5, 6 };

    x, y, z = array;

    print("array: x = {}, y = {}, z = {}\n", .{x, y, z});

    const vector: @Vector(3, u32) = .{ 7, 8, 9 };

    x, y, z = vector;

    print("vector: x = {}, y = {}, z = {}\n", .{x, y, z});
}

// exe=succeed