use std::rc::Rc;
use vec_map::VecMap;
use args::settings::ArgSettings;
#[doc(hidden)]
pub trait AnyArg<'n, 'e> {
fn name(&self) -> &'n str;
fn overrides(&self) -> Option<&[&'e str]>;
fn aliases(&self) -> Option<Vec<&'e str>>;
fn requires(&self) -> Option<&[&'e str]>;
fn blacklist(&self) -> Option<&[&'e str]>;
fn required_unless(&self) -> Option<&[&'e str]>;
fn is_set(&self, ArgSettings) -> bool;
fn set(&mut self, ArgSettings);
fn has_switch(&self) -> bool;
fn max_vals(&self) -> Option<u64>;
fn min_vals(&self) -> Option<u64>;
fn num_vals(&self) -> Option<u64>;
fn possible_vals(&self) -> Option<&[&'e str]>;
fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>>;
fn short(&self) -> Option<char>;
fn long(&self) -> Option<&'e str>;
fn val_delim(&self) -> Option<char>;
fn takes_value(&self) -> bool;
fn val_names(&self) -> Option<&VecMap<&'e str>>;
fn help(&self) -> Option<&'e str>;
fn default_val(&self) -> Option<&'n str>;
fn longest_filter(&self) -> bool;
}
pub trait DispOrder {
fn disp_ord(&self) -> usize;
}