Test Code Syntax Highlighting

fn factorial(n: u64) -> u64 {
    match n {
        0 => 1,
        _ => n * factorial(n-1)
    }
}

const sum = (n: number) =>  n * (n + 1) / 2

import os ; n_cores = os.cpu_count() // 2 ;

from concurrent.futures import ThreadPoolExecutor

with ThreadPoolExecutor(max_workers=n_cores) as executor:
    executor.map(render, range(0, len(image_array)))

const std = @import("std");

pub fn main() void {
    const user = User{
        .power = 9001,
        .name = "Goku",
    };

    std.debug.print("{s}'s power is {d}\n", .{ user.name, user.power });
}

pub const User = struct {
    power: u64,
    name: []const u8,
};