CarlKCarlK

$\sqrt{3x-1}+(1+x)^2$

CarlKCarlK

error: Expected <..> generic parameter.
 --> tests/ui/anyiter_paren.rs:4:23
  |
4 | pub fn any_str_len(s: AnyIter(AnyString)) -> usize {
  |                       ^^^^^^^^^^^^^^^^^^

CarlKCarlK

#[test]
fn ui() {
    let t = trybuild::TestCases::new();
    t.compile_fail("tests/ui/*.rs");
}

CarlKCarlK

use anyinput::anyinput;

#[anyinput]
pub fn any_str_len(s: AnyIter(AnyString)) -> usize {
    s.len()
}

fn main() {}

CarlKCarlK

use anyinput::anyinput;

#[test]
fn one_input() {
    #[anyinput]
    pub fn any_str_len(s: AnyString) -> usize {
        s.len()
    }
    assert!(any_str_len("123") == 3);
}

CarlKCarlK

#[test]
#[should_panic(
    expected = "proc-macro-error API cannot be used outside of `entry_point` invocation, perhaps you forgot to annotate your #[proc_macro] function with `#[proc_macro_error]"
)]
fn one_bad_input_3() {
    let before = quote! {
    pub fn any_str_len(s: AnyIter(AnyString)) {
        s.len()
    }
       };

CarlKCarlK

fn create_maybe_sub_type(args: &PathArguments, span_range: &SpanRange) -> Option<Type> {
    match args {
        PathArguments::None => None,
        PathArguments::AngleBracketed(ref args) => {
            let arg = first_and_only(args.args.iter()).unwrap_or_else(|| {
                abort!(span_range, "Expected at exactly one generic parameter.")
            });
            if let GenericArgument::Type(sub_type2) = arg {
                Some(sub_type2.clone())
            } else {

CarlKCarlK

error: Expected <..> generic parameter.
 --> tests/ui/anyiter_paren.rs:4:23
  |
4 | pub fn any_str_len(s: AnyIter(AnyString)) -> usize {
  |                       ^^^^^^^^^^^^^^^^^^

CarlKCarlK

stmt #0: println ! ("hello world") ;
stmt #1: println ! ("hello solar system") ;
stmt #2: println ! ("hello galaxy") ;
stmt #3: { println ! ("hello solar system") ; println ! ("hello universe") ; }
item_fn_new: fn hello () { println ! ("hello world") ; { println ! ("hello solar system") ; println ! ("hello universe") ; } }
count: 4

CarlKCarlK

fn count_statements() {
    let mut stmt_counter = StmtCounter { count: 0 };
    let item_fn_old: ItemFn = parse_quote! {
        fn hello() {
            println!("hello world");
            {
                println!("hello solar system");
                println!("hello galaxy");
            }
        }