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pub use std::sync::atomic::{AtomicUsize, Ordering};
pub static CIDX: AtomicUsize = AtomicUsize::new(0);
pub static mut ARGS: Vec<String> = Vec::new();
pub static mut REMOVEINDICES: Vec<usize> = Vec::new();
#[macro_export]
macro_rules! eargf {
( $help:expr ) => {{
unsafe {
let index = CIDX.load(Ordering::SeqCst) + 1;
match ARGS.get(index) {
Some(s) => {
REMOVEINDICES.push(index);
s.to_owned()
},
None => {
$help;
String::new()
}
}
}
}};
() => {{
eargf!("")
}};
}
#[macro_export]
macro_rules! argbegin {
( $argv0:expr, $($matcher:pat => $result:expr), *) => {{
unsafe {
ARGS = std::env::args().collect();
*$argv0 = ARGS.remove(0);
ARGS.iter().enumerate().for_each(|(idx, arg)| {
if let Some(stripped) = arg.strip_prefix('-') {
if stripped.is_empty() {return;}
REMOVEINDICES.push(idx);
stripped.chars().for_each(|ch| {
match ch {
$($matcher => $result),*
}
});
}
CIDX.fetch_add(1, Ordering::SeqCst);
});
ARGS.iter()
.enumerate()
.filter(|(idx, _)| !REMOVEINDICES.contains(idx))
.map(|(_, a)| a.to_owned())
.collect::<Vec<String>>()
}
}}
}