Macro execute_command_macro::command_args

macro_rules! command_args {
    ($program:expr $(,)*) => { ... };
    ($program:expr, $arg:expr $(, $args:expr)* $(,)*) => { ... };
}

Create a Command instance by inputting args separately.

#[macro_use] extern crate execute_command_macro;

let command = command_args!("program", "arg1", "arg2", "-opt1", "-opt2");