Function has_flag::has_flag

pub fn has_flag(flag: &str, args: Vec<String>) -> bool

Check if argv has a specific flag Correctly stops looking after an -- argument terminator.

Usage

command input

ls -f --unicorn --foo=bar -- --rainbow

use has_flag::has_flag;
use env::args;
 
has_flag("unicorn", args().collect());
//=> true
 
has_flag ("--unicorn", args().collect());
//=> true
 
has_flag("f", args().collect());
//=> true
 
has_flag("-f", args().collect());
//=> true
 
has_flag("foo=bar", env::args().collect());
//=> true
 
has_flag("foo", env::args().collect());
//=> false
 
has_flag("rainbow", env::args().collect());
//=> false