Function append_argument 

pub fn append_argument(
    out: &mut Vec<u16>,
    arg: &[u16],
    index: usize,
) -> Result<(), CmdLineError>

Appends one escaped argument to a cmd.exe command line.

Errors

Returns CmdLineError::LineBreak or CmdLineError::Nul for an argument that cannot be represented on a cmd.exe command line at all.