Expand procedural macros with rust-analyzer(.exe)

[qryxip]

Resolves #82.

[qryxip]

#[macro_use]
extern crate memoise as _;
#[macro_use]
extern crate proconio_derive as _;

#[fastout]
fn main() {
    for i in 0..=100 {
        println!("{}", fib(i));
    }
}

#[memoise(n <= 100)]
fn fib(n: i64) -> i64 {
    if n == 0 || n == 1 {
        return n;
    }
    fib(n - 1) + fib(n - 2)
}

↓

Output

//! # Procedural macros
//!
//! - `memoise 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)`         licensed under `BSD-3-Clause`
//! - `proconio-derive 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)` licensed under `MIT OR Apache-2.0`

/*#[macro_use]
extern crate memoise as _;*/
/*#[macro_use]
extern crate proconio_derive as _;*/

/*#[fastout]
fn main() {
    for i in 0..=100 {
        println!("{}", fib(i));
    }
}*/
fn main() {
    let __proconio_stdout = ::std::io::stdout();
    let mut __proconio_stdout = ::std::io::BufWriter::new(__proconio_stdout.lock());
    #[allow(unused_macros)]
    macro_rules ! print { ($ ($ tt : tt) *) => { { use std :: io :: Write as _ ; :: std :: write ! (__proconio_stdout , $ ($ tt) *) . unwrap () ; } } ; }
    #[allow(unused_macros)]
    macro_rules ! println { ($ ($ tt : tt) *) => { { use std :: io :: Write as _ ; :: std :: writeln ! (__proconio_stdout , $ ($ tt) *) . unwrap () ; } } ; }
    let __proconio_res = {
        for i in 0..=100 {
            println!("{}", fib(i));
        }
    };
    <::std::io::BufWriter<::std::io::StdoutLock> as ::std::io::Write>::flush(
        &mut __proconio_stdout,
    )
    .unwrap();
    return __proconio_res;
}

/*#[memoise(n <= 100)]
fn fib(n: i64) -> i64 {
    if n == 0 || n == 1 {
        return n;
    }
    fib(n - 1) + fib(n - 2)
}*/
thread_local ! (static FIB : std :: cell :: RefCell < Vec < Option < i64 > > > = std :: cell :: RefCell :: new (vec ! [None ; 101usize]));
fn fib_reset() {
    FIB.with(|cache| {
        let mut r = cache.borrow_mut();
        for r in r.iter_mut() {
            *r = None
        }
    });
}
fn fib(n: i64) -> i64 {
    if let Some(ret) = FIB.with(|cache| {
        let mut bm = cache.borrow_mut();
        bm[(n) as usize].clone()
    }) {
        return ret;
    }
    let ret: i64 = (|| {
        if n == 0 || n == 1 {
            return n;
        }
        fib(n - 1) + fib(n - 2)
    })();
    FIB.with(|cache| {
        let mut bm = cache.borrow_mut();
        bm[(n) as usize] = Some(ret.clone());
    });
    ret
}

// The following code was expanded by `cargo-equip`.

#[allow(clippy::deprecated_cfg_attr)]#[cfg_attr(rustfmt,rustfmt::skip)]#[allow(unused)]pub mod memoise{}
#[allow(clippy::deprecated_cfg_attr)]#[cfg_attr(rustfmt,rustfmt::skip)]#[allow(unused)]pub mod proconio_derive{}

[qryxip]

ぐ...1.42.0だと死ぬ...

[qryxip]

1.47.0以上なら大丈夫。それ未満だとこうなる。

現行のCodeforces, yukicoder, Library Checkerならそのままで良いが、1.42.0だと別のツールチェインでDLLを生成する必要がある。