pub trait CommandExt {
    fn creation_flags(&mut self, flags: u32) -> &mut Command;
}
Windows-specific extensions to the process::Command builder.
fn creation_flags(&mut self, flags: u32) -> &mut CommandSets the process creation flags to be passed to CreateProcess.
These will always be ORed with CREATE_UNICODE_ENVIRONMENT.
    © 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
    https://doc.rust-lang.org/std/os/windows/process/trait.CommandExt.html